UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oZR8xdnKu4cFDp9QFvSeHdxixc2DMq9ii4Yn0wWkLpc=' 
WHERE 
  key_id = '51c6adfe8eabbfa4cb493f2c11a4f850b0eafb2dfda12d7b06b281fd9a26d995' 
  AND (
    token = 'oZR8xdnKu4cFDp9QFvSeHdxixc2DMq9ii4Yn0wWkLpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )