Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '037658ae1cbda778d9b20cd722162674da7e07c2137c5113d52f1f8a6c1d0bff' 
  AND token = 'FcDNJZZANF183P2kCxAqsO5hELqGru2lbc3ewvU8rOA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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