UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TZzqjw6Oj97zHfRKDt6YtlqVCgtb2NNnEbarn5o2WXA=' 
WHERE 
  key_id = '8f4474a51c4d14e66f54dd567d5be61cc8358901eb30a10ee60068dc83234213' 
  AND (
    token = 'TZzqjw6Oj97zHfRKDt6YtlqVCgtb2NNnEbarn5o2WXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )