UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SKiVhk/vJhUntg09CmLX7j4flc74f4L2qTcnet+foN0=' 
WHERE 
  key_id = 'c3ab4b876591e96a060d4b95e51059fcd4d453cf68869eeda2d2a40fa2e77c46' 
  AND (
    token = 'SKiVhk/vJhUntg09CmLX7j4flc74f4L2qTcnet+foN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )