UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '91JJCjX+zUsCphcnS6fkXndBTImFyRUEHgmFZ9SsVL4=' 
WHERE 
  key_id = '4a7bb4b7daff961ccc2a1d49014edf2066f28d5e25511fb8a2bd90d572ee7b1c' 
  AND (
    token = '91JJCjX+zUsCphcnS6fkXndBTImFyRUEHgmFZ9SsVL4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )