UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3w+LNy0sxt2/8uIAl7StqzO42GTfUEV7WfuVbDdFDvI=' 
WHERE 
  key_id = '28faaecbb8cf0f65fcc64c756c968c9f79d6a9453cdb183b697d55cf24227199' 
  AND (
    token = '3w+LNy0sxt2/8uIAl7StqzO42GTfUEV7WfuVbDdFDvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )