private function updateNextCheckTime()
    {
        $hourToCheck = $this->getCheckTime();

        /** @var \OxidEsales\Eshop\Core\UtilsDate $utilsDate */
        $utilsDate = \OxidEsales\Eshop\Core\Registry::getUtilsDate();
        $nextCheckTime = $utilsDate->formTime('tomorrow', $hourToCheck);

        $this->getConfig()->saveSystemConfigParameter('str', 'sOnlineLicenseNextCheckTime', $nextCheckTime);
    }