public function setLanguageRedis(string $language, int $expiring_time = 86400) : bool
    {
        $redis = $this->bot->getRedis();

        // If we could successfully set the language in the database
        if ($this->setLanguageDatabase($language)) {
            // Set the language in Redis
            $redis->setEx($this->bot->chat_id . ':language', $expiring_time, $language);
            return true;
        }

        return false;
    }