c# lock and listen to CancellationToken

Question

I want to use lock or a similar synchronization to protect a critical section. At the same time I want to listen to a CancellationToken.

Right now I'm using a mutex like this, but mutex doesn't have as good performance. Can I use any of other synchronization classes (including the new .Net 4.0) instead of the mutex?

WaitHandle.WaitAny(new[] { CancelToken.WaitHandle, _mutex});
CancelToken.ThrowIfCancellationRequested();