public function revokeToken($token)
    {
        $revoked = false;
        $store = $this->getStore();
        $pool = $store->getTokens();
        if(!is_null($pool)){
            foreach($pool as $key => $savedToken){
                if($savedToken['token'] == $token){
                    unset($pool[$key]);
                    $revoked = true;
                    break;
                }
            }
        }
        $store->setTokens($pool);

        return $revoked;
    }