if (getExpiredTime() == null) {
            return null;
        }
        return new Date(getExpiredTime());
    }

    public void setExpires(final Date date) {
        setExpiredTime(date != null ? date.getTime() : null);
    }

    @Override
    public String toString() {
        return "AccessToken [name=" + name + ", token=" + token + ", permissions=" + Arrays.toString(permissions) + ", parameterName="