UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MqyWjedy6mgWRovs3kz9AWGqfio8psO3VclLFCvw7eA=' 
WHERE 
  key_id = '4ef5cb77e825377b5af29ee7520e0ef91956e335444b9b7ac575d5914f9db899' 
  AND (
    token = 'MqyWjedy6mgWRovs3kz9AWGqfio8psO3VclLFCvw7eA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )