How to bind two keys to one Razer Tartarus Pro Key?

I exclusively play Warzone and I can’t find a way to bind two keyboard keys to one Tartarus Pro key e.g. I would like a half press to be the W key (move forward) and a full press to be W + K (move forward + walk). I always have auto tac sprint on so the double key bind would be to make my player walk instead of sprinting. Or if anyone could guide me through the macro creating process, I’d appreciate it because I made a macro by recording me pressing the W & K keys at the same time and assigning it to a key on the Tartarus with it set to “play while assigned key is pressed” but when I pressed this key it did indeed do what I wanted which was walk slowly, but once I released the key, my player kept walking slowly no matter what key I pressed. It would eventually wear off and my player would stand still but when I pressed the W key to sprint forward, it would only walk slowly now.