My Need for speed pro street key that i just bought dose not work????

I recently used cjs-cdkeys and bought need for speed pro street. I got the Cd key whent to redeam key section on origon and pasted it in and i get " The product key you have entered is not valid"

If any one has any ideas please help the sooner the better i can start downloading it

Note When selecting location there was no Need for speed pro street so i selected most wanted

Thank you