Hopefully the link shows both correctly, it's for both systems. Definitely in store only, I had to go into the gaming section to a kiosk/touch screen and search for Dying Light. Season pass popped right up for both at the $20 price point, then you click which one you want and print it out from that kiosk. Bring that up to the registers and the code prints out on the receipt. Redeemed right through the PS app on my phone too, so definitely works.
Only listing as YMMV as I'm not sure all stores have that kiosk.