UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdExhtxbTHeaDfjkMo5iiylcMiFyT5lXQnApgHxuUq0=' 
WHERE 
  key_id = 'd9ad97199b537482f658a27481bcfd983fdefe8f445c84194b2bf8543a19be18' 
  AND (
    token = 'MdExhtxbTHeaDfjkMo5iiylcMiFyT5lXQnApgHxuUq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )