UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ALKa13sSjQZibfawA73u6jGxEQySmHduy0sEa3s5acE=' 
WHERE 
  key_id = '018fbcac2f18291b74e95dc683483787fba07047ab5c12faa7c042078c2e55a3' 
  AND (
    token = 'ALKa13sSjQZibfawA73u6jGxEQySmHduy0sEa3s5acE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )