Here's how I removed my glove box latch.  It should work with a lockable or standard no-lock latch.
 

 

Here's what's holding your latch cylinder in!  I'm holding an Allen wrench which is pointing to a spring loaded tab.  The cylinder is already removed at this point, but was easier to photograph.

The tab shown recessed into cylinder.
 
 

The tab is retained under this bezel that has been peened on from the factory.  Basically, you will be depressing the spring loaded tab to get it to pass through the bezel.

Here's the window to access the spring tab.  You won't be able to get at it from the front of the glove box, but again, this made a better photo to show you where it's at.  Please note: The latch has to be in the closed position to access the tab through the window.
 
 

You can access the window shown above from the back of the glove box door shown here.  The window is just opposite of the latch, on the hinge side of the glove box door.

Again, another photo showing the latch removed, but this shows me depressing the tab.  Once the tab is held depressed, just slide the cylinder out of the latch assembly clearing the bezel.  Use a paper clip or something similar.  There is very little tension on the spring loaded tab.
 
 

To reinstall, just depress the tab shown above and slide back into the cylinder!