UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KUnxzblYh/BahSZwMbNlPxVaNULxVu93Lot4n+dp77I=' 
WHERE 
  key_id = '765a9ba45394b5352a1ad238fdfa41f75f91d2616511d1509616ac1645a99a0c' 
  AND (
    token = 'KUnxzblYh/BahSZwMbNlPxVaNULxVu93Lot4n+dp77I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )