UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KL49bkcTIW+7ZzrC1fOXecqP0Zmt+pm/Z6sIWKhJF+Q=' 
WHERE 
  key_id = '68a7b267b0f8603d275717b5f3fde4cdc29359a212588e02bee71c268e42c4b9' 
  AND (
    token = 'KL49bkcTIW+7ZzrC1fOXecqP0Zmt+pm/Z6sIWKhJF+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )