UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xD1G9+D9Db6viZrKMfkfgJDr5delITvpIWFbOCfgVQ=' 
WHERE 
  key_id = '79afe9adb6cfcaf7c8bfcec0d80b936bc94005c6e327d53794dd16db2e8f3348' 
  AND (
    token = '6xD1G9+D9Db6viZrKMfkfgJDr5delITvpIWFbOCfgVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )