UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l6Qc2AmXnRH9L8zicH3hLfw8LoDCtttcxz0jbdix1HA=' 
WHERE 
  key_id = 'aaac1a1458fd0051a6bf75185249ad9758fa66e19ef75cc75a23814f1b96adce' 
  AND (
    token = 'l6Qc2AmXnRH9L8zicH3hLfw8LoDCtttcxz0jbdix1HA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )