Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '29a1845923ac5b8162fbb2fc9e1710d6451c58119e76b58bab0f857f268fcf06' 
  AND token = '8GcAZB6JB5OCFpB0V0OrR4SOz013sTyymT2V4AzuDKg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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