UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mk3ApdaFGKCT1gDrnwiGJcm+mrk67HO6/+d0CI1FBTg=' 
WHERE 
  key_id = '83704c804fccf130839fe0c594126e7a827347a8552c4f256abdd0d5b9a47114' 
  AND (
    token = 'Mk3ApdaFGKCT1gDrnwiGJcm+mrk67HO6/+d0CI1FBTg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )