candy cane key pin

Looking for candy cane keys to open my gingerbread crates! Max I will spend is 500 credits. I need like 10

I bought a key and at first I thought you had to use it like magic to open the crate, and sent a CAH for this, and then was told I didn't need to use it this way. So then I tried to open one of my crates, I clicked it, I double clicked it, it won't open? I tried clicking the key and it kept...