UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRiBcTmY0OD5Vkzm8cGpIuSqWVq+jGx5C8pA7Ugdd+w=' 
WHERE 
  key_id = '6d8f99eb7d284627e730bc517cd33f2d19f517056f6d69361eb11021755aa411' 
  AND (
    token = 'QRiBcTmY0OD5Vkzm8cGpIuSqWVq+jGx5C8pA7Ugdd+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )