UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6vAsyOKQcaSOvW2geN33kUm5kqKsp522tkMe3GUe764=' 
WHERE 
  key_id = '451af1884a80018e2741afd0a7104ab33eac82964dc1cb75d31cc4fab5b18690' 
  AND (
    token = '6vAsyOKQcaSOvW2geN33kUm5kqKsp522tkMe3GUe764=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )