SELECT 
  MIN(prices.price) as ab__min_price, 
  MAX(prices.price) as ab__max_price 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_categories.storefront_id IN (0, 3) 
  LEFT JOIN cscart_warehouses_sum_products_amount as war_sum_amount ON war_sum_amount.product_id = products.product_id 
  LEFT JOIN cscart_master_products_storefront_offers_count AS master_products_storefront_offers_count ON master_products_storefront_offers_count.product_id = products.product_id 
  AND master_products_storefront_offers_count.storefront_id = 3 
  LEFT JOIN cscart_master_products_storefront_min_price ON cscart_master_products_storefront_min_price.product_id = prices.product_id 
  AND cscart_master_products_storefront_min_price.storefront_id = 3 
WHERE 
  prices.price > 0 
  AND cscart_categories.category_id IN (
    921, 922, 923, 924, 925, 926, 927, 928, 
    938, 939, 940, 941, 964, 965, 966, 967, 
    968, 969, 970, 971, 972, 973, 974, 975, 
    976, 977, 978, 979, 980, 981, 990, 991, 
    992, 993, 994, 995, 996, 997, 998, 999, 
    1000, 1001, 1002, 1003, 1004, 1005, 
    1012, 1013, 1014, 1015, 1016, 1017, 
    1018, 1019, 1020, 1021, 1022, 1023, 
    1024, 1025, 1026, 1027, 1028, 1029, 
    1038, 1039, 1040, 1041, 1042, 1043, 
    1044, 1045, 1046, 1047, 1048, 1049, 
    1050, 1051, 1052, 1053, 1054, 1055, 
    1056, 1057, 1058, 1059, 1060, 1063, 
    1064, 1065, 1066, 1067, 1068
  ) 
  AND (
    companies.status IN ('A', 'S') 
    OR products.company_id = 0
  ) 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND prices.usergroup_id IN (0, 0, 1) 
  AND products.master_product_status IN ('A') 
  AND products.master_product_id = 0 
  AND (
    products.company_id > 0 
    OR (
      master_products_storefront_offers_count.count > 0
    )
  )

Query time 0.01353

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "185.46"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "war_sum_amount",
          "access_type": "system",
          "possible_keys": [
            "PRIMARY"
          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
          "filtered": "0.00",
          "const_row_not_found": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "product_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "master_products_storefront_offers_count",
          "access_type": "system",
          "possible_keys": [
            "PRIMARY",
            "idx_storefront_id"
          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
          "filtered": "0.00",
          "const_row_not_found": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "storefront_id",
            "product_id",
            "count"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_master_products_storefront_min_price",
          "access_type": "system",
          "possible_keys": [
            "PRIMARY"
          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
          "filtered": "0.00",
          "const_row_not_found": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "storefront_id",
            "product_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "products_categories",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "pt"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id"
          ],
          "key_length": "3",
          "rows_examined_per_scan": 565,
          "rows_produced_per_join": 565,
          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "60.28",
            "eval_cost": "56.50",
            "prefix_cost": "116.78",
            "data_read_per_join": "8K"
          },
          "used_columns": [
            "product_id",
            "category_id"
          ],
          "attached_condition": "(`s2cart`.`products_categories`.`category_id` in (921,922,923,924,925,926,927,928,938,939,940,941,964,965,966,967,968,969,970,971,972,973,974,975,976,977,978,979,980,981,990,991,992,993,994,995,996,997,998,999,1000,1001,1002,1003,1004,1005,1012,1013,1014,1015,1016,1017,1018,1019,1020,1021,1022,1023,1024,1025,1026,1027,1028,1029,1038,1039,1040,1041,1042,1043,1044,1045,1046,1047,1048,1049,1050,1051,1052,1053,1054,1055,1056,1057,1058,1059,1060,1063,1064,1065,1066,1067,1068))"
        }
      },
      {
        "table": {
          "table_name": "products",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "status",
            "idx_master_product_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "s2cart.products_categories.product_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 54,
          "filtered": "9.68",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "5.47",
            "prefix_cost": "173.28",
            "data_read_per_join": "420K"
          },
          "used_columns": [
            "product_id",
            "status",
            "company_id",
            "usergroup_ids",
            "master_product_id",
            "master_product_status"
          ],
          "attached_condition": "((`s2cart`.`products`.`master_product_id` = 0) and ((`s2cart`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`s2cart`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`s2cart`.`products`.`usergroup_ids`))) and (`s2cart`.`products`.`status` = 'A') and (`s2cart`.`products`.`master_product_status` = 'A') and ((`s2cart`.`products`.`company_id` > 0) or <cache>((NULL > 0))))"
        }
      },
      {
        "table": {
          "table_name": "companies",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "company_id"
          ],
          "key_length": "4",
          "ref": [
            "s2cart.products.company_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 54,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "5.47",
            "prefix_cost": "178.76",
            "data_read_per_join": "508K"
          },
          "used_columns": [
            "company_id",
            "status"
          ],
          "attached_condition": "<if>(found_match(companies), ((`s2cart`.`companies`.`status` in ('A','S')) or (`s2cart`.`products`.`company_id` = 0)), true)"
        }
      },
      {
        "table": {
          "table_name": "cscart_categories",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "c_status",
            "p_category_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id"
          ],
          "key_length": "3",
          "ref": [
            "s2cart.products_categories.category_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 2,
          "filtered": "5.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.27",
            "prefix_cost": "184.23",
            "data_read_per_join": "9K"
          },
          "used_columns": [
            "category_id",
            "usergroup_ids",
            "status",
            "storefront_id"
          ],
          "attached_condition": "(((`s2cart`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`s2cart`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`s2cart`.`cscart_categories`.`usergroup_ids`))) and (`s2cart`.`cscart_categories`.`status` in ('A','H')) and (`s2cart`.`cscart_categories`.`storefront_id` in (0,3)))"
        }
      },
      {
        "table": {
          "table_name": "descr1",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "product_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id",
            "lang_code"
          ],
          "key_length": "9",
          "ref": [
            "s2cart.products_categories.product_id",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 2,
          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.27",
            "prefix_cost": "184.50",
            "data_read_per_join": "20K"
          },
          "used_columns": [
            "product_id",
            "lang_code"
          ]
        }
      },
      {
        "table": {
          "table_name": "prices",
          "access_type": "ref",
          "possible_keys": [
            "usergroup",
            "product_id",
            "lower_limit",
            "usergroup_id"
          ],
          "key": "product_id",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "s2cart.products_categories.product_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 0,
          "filtered": "33.33",
          "cost_info": {
            "read_cost": "0.68",
            "eval_cost": "0.09",
            "prefix_cost": "185.46",
            "data_read_per_join": "21"
          },
          "used_columns": [
            "product_id",
            "price",
            "lower_limit",
            "usergroup_id"
          ],
          "attached_condition": "((`s2cart`.`prices`.`lower_limit` = 1) and (`s2cart`.`prices`.`price` > 0.00) and (`s2cart`.`prices`.`usergroup_id` in (0,0,1)))"
        }
      }
    ]
  }
}

Result

ab__min_price ab__max_price