UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WE23TX2K1e9+KIsBQ3dh/DfVazqnYM8M0DiynDQXeO0=' 
WHERE 
  key_id = 'ff7bb169a208c0d251beb44d5f5f2d282804d3eb8febdea14c25170544b41746' 
  AND (
    token = 'WE23TX2K1e9+KIsBQ3dh/DfVazqnYM8M0DiynDQXeO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )