@Override
  public Token save(Token token) {
    System.out.println("Saved token: " + token);

    token.setId(token.getId() + "-saved");

    return token;
  }
  @Override
  public Token findByUserId(String userId) {
    System.out.println("Getting new token for ... '" + userId + "'");

    Token t = new Token();
    t.setId(UUID.randomUUID().toString());
    t.setUserId(userId);
    t.setCreatedAt(new Date());

    return t;
  }