UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgMnWVfCJP3bT15Txc3ngDuzCuT8X3qnqie02uYZTQE=' 
WHERE 
  key_id = '9650d9ccfd753689844c12b461368667bd8c644dade4a73404f5769a844e21fc' 
  AND (
    token = 'MgMnWVfCJP3bT15Txc3ngDuzCuT8X3qnqie02uYZTQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )