UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kkqVtLyGGh3bHtaVTqiwwO/WCHXOyJH6QJHQ+vmu1rg=' 
WHERE 
  key_id = 'f6176d732e8bacec84eb45fa52b333f94b63acde1bf8fba328f51024bf20c08f' 
  AND (
    token = 'kkqVtLyGGh3bHtaVTqiwwO/WCHXOyJH6QJHQ+vmu1rg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )