public function onlyActive($recentCheck = false) {

        $this->sql_select
                ->where('gto_in_source = ?', 1)
                ->where('gto_completion_time IS NULL');

        if ($recentCheck) {
            $this->sql_select->where('gto_start_time > DATE_SUB(CURRENT_TIMESTAMP, INTERVAL 7 DAY)');
            //$this->sql_select->where('(gto_valid_until IS NULL OR gto_valid_until > CURRENT_TIMESTAMP)');
        }

        return $this;
    }