- $subscribers = DBA::select('push_subscriber', ['id', 'push', 'callback_url', 'nickname'], ["`push` > 0 AND `next_try` < UTC_TIMESTAMP()"]);
+ $subscribers = DBA::select('push_subscriber', ['id', 'push', 'callback_url', 'nickname'], ["`push` > 0 AND `next_try` < ?", DateTimeFormat::utcNow()]);