UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '48O+ZSguKPg2BGyarCBMZAZkfA9jpwQf6uKYzmvoruc=' 
WHERE 
  key_id = '26a1c1d9ee8050d970e5314b0328e7e94aa87f66575ff71a4d360de8219ebb89' 
  AND (
    token = '48O+ZSguKPg2BGyarCBMZAZkfA9jpwQf6uKYzmvoruc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )