UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UwwRWhWPozvQ5MLNK2SsOZLhO66o1IxsbZezT8zQrMY=' 
WHERE 
  key_id = 'ac21d7ab1be041ea8d71f1bbbbe01e9f97013e8719a54343b237020fc10b9159' 
  AND (
    token = 'UwwRWhWPozvQ5MLNK2SsOZLhO66o1IxsbZezT8zQrMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )