Hextech Chest Bug

I had gotten a chest and a key from a gemstone and started to unbox it when my friends sent me an invite to a lobby. As i accepted the lobby invite I thought I had finished getting what was inside my chest but after I had join I was going to see if I could active whatever I had gotten from the chest but when I opened the menu nothing I had unboxed from that chest was there and the chest and key were missing. Is there anyway that I could get my chest/key back?