UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AT5eGxMkcPL04qvucCvtcQImGEmGqGOCOaf5TY++2OE=' 
WHERE 
  key_id = '971acc1cae869f9921a8e9a3632770c39ce59d9a42352889357ebf577aea7ec8' 
  AND (
    token = 'AT5eGxMkcPL04qvucCvtcQImGEmGqGOCOaf5TY++2OE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )