Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aae08828c8c5847527da88c706746d38ba0a7bc55207e8dfea3403b6b25ddc8d' 
  AND token = 'RS/K/4b25HGqtBF2Xu1tPrbk0UzyPYUyBFL1VO4k4I8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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