Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bfa18e47195ec99576ed893fd968e82ac6572d02a921e8880a2f62677f7894ca' 
  AND token = 'FtfgsDoiYvCJQg0Z87xXQW8EyXSaNOftpdcazsAUoOg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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