UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zz/ozAT7hSxW6Qrhxwbyk7as4L8RKdmdYBBoqHE0cIU=' 
WHERE 
  key_id = '29bca40594177422c7c27f722eff236dc12ab52a571f68e2760209af45b51bbe' 
  AND (
    token = 'Zz/ozAT7hSxW6Qrhxwbyk7as4L8RKdmdYBBoqHE0cIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )