UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KHtqoKHlejw3oxFNQe9ktiwAg6aKkhBHNzkrtSOYnuE=' 
WHERE 
  key_id = '31817ad7e403614ba6427d8247f37647a7b33a5f84ad1fb9dcc5564fd3a5e487' 
  AND (
    token = 'KHtqoKHlejw3oxFNQe9ktiwAg6aKkhBHNzkrtSOYnuE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )