UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C6ZxvRchtg+/PYYv1HcnlHFT3lK/wh3QyaGvGxLWJiE=' 
WHERE 
  key_id = 'a3256029e6a02cf75e977e5c19be75f3d0ffb13eaa38cdc52bde85f2bb499c4d' 
  AND (
    token = 'C6ZxvRchtg+/PYYv1HcnlHFT3lK/wh3QyaGvGxLWJiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )