Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'edf1cb073f114614ff155781f7c778cc68f6f78bad06351adb11dd0e32854aba' 
  AND token = 'Xp2ccuwTMxGt6GwCx6pRlZ74C8A9jKWsdFFeSz0VhDM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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