UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tMYWb5W91PnVoVx+OkljeX5P4gkvbvA31ZQNu+6y6v4=' 
WHERE 
  key_id = '2139aef83ede685f0eff097c1d356441caae8501ae3914cbfbec18d175c00049' 
  AND (
    token = 'tMYWb5W91PnVoVx+OkljeX5P4gkvbvA31ZQNu+6y6v4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )