UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UkaNDjIYZ2h4E6yfyye7IUiuFi6DZerw2aVwx3jj+fc=' 
WHERE 
  key_id = '8f490fe94f33e1d3c6209269d74d24b8e703ed7b4be0c77ab35517fc765097df' 
  AND (
    token = 'UkaNDjIYZ2h4E6yfyye7IUiuFi6DZerw2aVwx3jj+fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )