UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9iEqYG2W1QJABmIvuguxLL71+sqsUX6zZFF02vahPsI=' 
WHERE 
  key_id = '8ed72dab405264989bbd50646527d0f462d4dcdce57c952024350d01aeef97a2' 
  AND (
    token = '9iEqYG2W1QJABmIvuguxLL71+sqsUX6zZFF02vahPsI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )