UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MW8wQbPH1wH6qXniiK75B5BgRn6nfkCQOoiS1ycHJSA=' 
WHERE 
  key_id = '1e8cb116ebb7c5603146454994bfd4f3d49d3c4496d38eb16995c820d59b6a6b' 
  AND (
    token = 'MW8wQbPH1wH6qXniiK75B5BgRn6nfkCQOoiS1ycHJSA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )