UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u/z/Ji62IaNeKT8gdcrvyBR9e0CFGf9rMpZm0BTfZck=' 
WHERE 
  key_id = '944e58681577745c39850caca8e8795349e500258cf2476991b9cde49ead0bf9' 
  AND (
    token = 'u/z/Ji62IaNeKT8gdcrvyBR9e0CFGf9rMpZm0BTfZck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )