UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/kbvcLzDswYeEMbqGbqk7ftqHGL1Xdc3e2LL6mTT6AM=' 
WHERE 
  key_id = 'c97687bde3cae12137a81c68c61272d10ecae6f5d67c58d721b32355896c2321' 
  AND (
    token = '/kbvcLzDswYeEMbqGbqk7ftqHGL1Xdc3e2LL6mTT6AM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )