Abused KESO 2000S w. Key

This cylinder was originally ranked Brown Belt but the plug suddenly came out of the body while the key was in and a few pins and springs came flying out. I got the plug back in the body but the key no longer turns it.

https://share.lpubelts.com/?id=c92ff501&name=Keso_10RS_1000_2000S_4000S_Omega