UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VPDLmy2JNPVkIAedJy1jhGR8sS+VIVB5YaqfD8UVPT0=' 
WHERE 
  key_id = '6f793e718b9a08c1fb7ca5b6fecd7a2b786872f1ad16b2048d5207f51ee88263' 
  AND (
    token = 'VPDLmy2JNPVkIAedJy1jhGR8sS+VIVB5YaqfD8UVPT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )