Pimcore\Cache::setWriteLock PHP Method

    public static function setWriteLock($force = false)
    {
        if (!self::$writeLockTimestamp || $force) {
            self::$writeLockTimestamp = time();
            if ($cache = self::getInstance()) {
                $cache->save((string) self::$writeLockTimestamp, "system_cache_write_lock", [], 30);
            }
        }
    }