$publicCookieMetadata = $this->_cookieMetadataFactory->createPublicCookieMetadata()
                ->setDuration(2592000)
                ->setPath($this->_sessionManager->getCookiePath())
                ->setDomain($this->_sessionManager->getCookieDomain())
                ->setHttpOnly(false);

            $cookie_name = 'cookie'.$key;

            $this->_cookieManager->setPublicCookie($cookie_name,
                $key,
                $publicCookieMetadata
            );