public function set($key, $value, $ttl = null)
    {
        $this->token[$key] = $value;
        $this->driver->set('token', $this->token);

        return $this;
    }
public function set($key, $value, $ttl = null)
    {
        $this->token[$key] = $value;
        $this->driver->set('token', $this->token);

        return $this;
    }
@param string $key
@param mixed  $value
@param null   $ttl

@return $this