Create custom tokens (Drupal token_custom module) with an update hook.

create-custom-tokens.php

 <?php
  $token = new stdClass();
  $token->machine_name = 'machine-name-like-this';
  $token->name = 'Name like this';
  $token->description = 'Description like this';
  $token->type = 'bundle_name';
  $token->content = 'Default value';
  $token->format = 'filtered_html';
  $token->is_new = TRUE;
 
  token_custom_save($token);