UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gGa/+1TbkjU+8D7ILtreuOIrN7OOyKUw7gLOqCpbM1o=' 
WHERE 
  key_id = '31bc8d4f189f73aa8fb10d35c9cccafd6c7dbe68d3ebe13284288786435ce628' 
  AND (
    token = 'gGa/+1TbkjU+8D7ILtreuOIrN7OOyKUw7gLOqCpbM1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )