UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xcJjhkO0+AansZNf1oBGzqX9BkCOl9DtC7EThKlHuIg=' 
WHERE 
  key_id = 'f875a51a3599c9a75582ea763026a1acfd9c551a1aceabf97a99f3846ae02bd4' 
  AND (
    token = 'xcJjhkO0+AansZNf1oBGzqX9BkCOl9DtC7EThKlHuIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )