Need a key to play with friends please

Need a key to play with friends please, all my mates have the beta and im sitting here like :( sad face coz none of them got any keys left, can someone nice please! give me a key i would be sooo grateful!

Thank you so much pm me if you want to put me out of my misery :(

If anyone gets a key and doesnt need it please help me out it really sucks listening to my mates play it ( they still have no keys :()