skeeks\cms\models\User::updateLastActivity PHP Method

    public function updateLastActivity()
    {
        $now = \Yii::$app->formatter->asTimestamp(time());
        if (!$this->lastActivityAgo || $this->lastActivityAgo > 10) {
            $this->last_activity_at = $now;
            $this->save(false);
        }
        return $this;
    }