UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cg6/ItbY09eGuISrEGa1BkXlPoHVn+qqT/+yjWWGaAg=' 
WHERE 
  key_id = '3403e0c0711602eb3bd1c49ed33248c2087e5021dc086e6ffdf96bddae0c9760' 
  AND (
    token = 'cg6/ItbY09eGuISrEGa1BkXlPoHVn+qqT/+yjWWGaAg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )