UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S0GDagLxjFspEXAbGkWWNMLwUw61FeoBOceIOiZkYCM=' 
WHERE 
  key_id = '4308251d7b75a2e2bd49a908e0b56b05fee6053625dd2598dceec325030c0d52' 
  AND (
    token = 'S0GDagLxjFspEXAbGkWWNMLwUw61FeoBOceIOiZkYCM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )