Something strange (advice)

Two days ago was my last win AI Rampage. I patiently waited for my key. In the next morning i saw space cat again and i clicked to see what i won. There was no another game, nothing, just my first win and i thought that this was some bug. Later that day i recieve the key for AI Rampage, clicked "Recieved" and i look down i saw i hadn't clicked "Recieved" on Stick RPG 2: Director's Cut and it was strange. I always click after the key is okay and i click on it. And today i try to enter giveaway with SGT check i my account was flaged to have multiple win on the same game (Stick RPG 2: Director's Cut). Then i realised something. Is it posible four months after enter giveaway someone could ask for reroll? This is the only explenation to think of. What should i do?