Bt games

I bought a game for ps4 from them just to find the codes expired. When asked they said it is an old game so it is possible, yet when l bought the game the person who sold it to me made no mention of the fact that the codes expired. When l phoned they could not pick up my purchase on their system and without my slip they can't help me. I bought the game 8 days ago. Really not happy with the fack that l paid R300 plus for nothing.