Key will not turn while in ignition?

Yes, this happens when the key lock falls apart internally. Here is how to change it out I would get a new key and lock that is preprogrammed you can get a preprogrammed unit by searching Google or Ebay.

This guide may help as well:

https://www.2carpros.com/articles/ignition-switch-wont-turn-stuck

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.