private static void _saveTokenItemByToken(Guid?token, TokenItem ti)
{
String storageKey = token.ToString();
StoragePerApplication.Put(storageKey, ti);
}
private static void _saveTokenValueByUserIdAndAppId(long id, long appId, Guid?token)
{
String storageKey = _createStorageKeyFromUserIdAndAppId(id, appId);
StoragePerApplication.Put(storageKey, token);
}