Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aadb334768ecd4ca086a512e00b305e76608b2a1061c05704583170caf17e557' 
  AND token = 'Z4WCisc5KVCdU2VEjE6dQmiCtLsZc/2/siVyZRGY/Gc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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