Pimcore\Cache::hasWriteLock PHP Метод

    public static function hasWriteLock()
    {
        if (self::$writeLockTimestamp) {
            return true;
        }
        if ($cache = self::getInstance()) {
            $lock = $cache->load("system_cache_write_lock");
            // lock is valid for 30 secs
            if ($lock && $lock > time() - 30) {
                self::$writeLockTimestamp = $lock;
                return true;
            } else {
                self::$writeLockTimestamp = 0;
            }
        }
        return false;
    }