Key/Lock replacement?

When I replaced all of the locks in my car everything went OK except for the trunk. My lock cylinder fits too close to the trunk lid sheet metal. It doesn't extend far enough to come out flush with the deck lid trim. I've been told that the correct one for my car DOES stick out farther. I had to grind down my trunk key so that I could get it to go in enough. I don't know if you can tell from these pictures what I'm talking about.

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