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SELECT 
  cscart_product_review_prepared_data.product_id AS product_id, 
  cscart_product_review_prepared_data.average_rating AS average_rating, 
  cscart_product_review_prepared_data.reviews_count AS reviews_count 
FROM 
  cscart_product_review_prepared_data 
WHERE 
  cscart_product_review_prepared_data.product_id IN (
    276537, 276538, 276539, 276540, 276541, 
    276542, 276543, 276544, 276545, 276546, 
    276547, 276548, 276549, 276550, 276551, 
    276552, 276553, 276572, 276573, 276574
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00051

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}