UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YJmJvMMeBayfBTOGL8+qCjRywf8/+BrEAZOy6ZnfDn0=' 
WHERE 
  key_id = '6b8970dd6e9d9b6444e6f833cd5f0f99a4597b7fea19b4340a290b7e71b03d08' 
  AND (
    token = 'YJmJvMMeBayfBTOGL8+qCjRywf8/+BrEAZOy6ZnfDn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )