Model\User::enableUsersByExpireTime PHP Method

    public static function enableUsersByExpireTime()
    {
        $selectSQL = "UPDATE member SET enable=1 WHERE expireTime>:expireTime AND (flow_up+flow_down)<transfer AND enable=0";
        $statement = DB::sql($selectSQL);
        $statement->bindValue(":expireTime", time(), DB::PARAM_INT);
        $statement->execute();
    }