Looks like the project is dead since 2010 and I couldn't find any patch or version porting it to apache-2.4 :/
Meh, that about answers my question. What about this stuff? https://www.apachehaus.net/modules/mod_auth_token/
Source http://stackoverflow.com/questions/10499701/compiling-mod-auth-token-for-windows
The README from zip files say that it's only compatible with 2.2, also, I cannot find the sources of that .so file and I neither find the license
removed