Checkers sell rotten meat

Yesterday on Sunday I went to checkers Southgate mall for my monthly groceries I bought 2 trays of chicken drumsticks each tray hv 16 pieces wen I get home wen I had to separate the meat I discovered that there is an odd smell the chicken smells rotten i thot myb m imagining things both trays wer spoiled today I wanted to cook the chicken immediately wen it starts boiling the smell gt worse wen I go n check the trays the chicken wrote sell by 27/07/25 and use by 27/07/25 I bought it after 4 y wer dy still keeping it in the fridge fr customers to purchase checkers hv ****med me now m stuck with this rotten meat in my fridge