UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wMlX3o5d0nNLC1ksKuI+MZBwsLsENdM5ItcOm1Olr2o=' 
WHERE 
  key_id = '761f76fa62402347406832bc188be7afe58da9461433bd5028bfd8d4f426ad66' 
  AND (
    token = 'wMlX3o5d0nNLC1ksKuI+MZBwsLsENdM5ItcOm1Olr2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )