Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '383f9910f3575cdd6450cca67b87580311a271f69ec6236e8817a3bebdf3781b' 
  AND token = 'tKZfOiPKpkWFRWJFm8vsM6UYg5Yor74eMNUsbGQKctE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00083

JSON explain

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