UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iiklp+paWx6HXVGvbjCjU3QQ77vFhRM5dz49K8JosaY=' 
WHERE 
  key_id = 'db8a9e76b4835e4969e8d2403fa065d4f43112e1fd9f677d91bcb97cde66503f' 
  AND (
    token = 'Iiklp+paWx6HXVGvbjCjU3QQ77vFhRM5dz49K8JosaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )