UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ln9vsnBUfidsKvIYa9REOpDCUY2LBFmV6T5nq+Q8DnY=' 
WHERE 
  key_id = '8539285a6aa0856258565f78df9a4cd42fa47c125c67b275fda6aa1b8e95f047' 
  AND (
    token = 'Ln9vsnBUfidsKvIYa9REOpDCUY2LBFmV6T5nq+Q8DnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )