malkusch\lock\mutex\PredisMutex::add PHP Метод

    protected function add($client, $key, $value, $expire)
    {
        try {
            return $client->set($key, $value, "EX", $expire, "NX");
        } catch (PredisException $e) {
            $message = sprintf("Failed to acquire lock for key '%s' at %s", $key, $this->getRedisIdentifier($client));
            throw new LockAcquireException($message, 0, $e);
        }
    }