UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/v6jjILDft44e2iqWywZ9OE7WJSp5gnnNnJOhYiO+8=' 
WHERE 
  key_id = '85aee060f741f0bde2102bb3e4de5e461178092b42403e261f60ed8eb5a62e44' 
  AND (
    token = 'S/v6jjILDft44e2iqWywZ9OE7WJSp5gnnNnJOhYiO+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )