Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f370423ba0f1eff18d480a1be880092e0ee3002f953fe3e549f8917f7e2d7632' 
  AND token = 'R/v4sM4wHRUCgPxiTvoialxe1G5kbbuEaH/D8QJcpQY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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