UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ShAZeGi+tBzbYd5KyXkF6opg9MoXhcB/1HVlgR09S/0=' 
WHERE 
  key_id = 'e6326163f57986a67e80126be23d6a900e6840257afcf016c7eef7f1370360ef' 
  AND (
    token = 'ShAZeGi+tBzbYd5KyXkF6opg9MoXhcB/1HVlgR09S/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )