UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J9Nd+tp72/3l93YzExOI3gkVJ6gAU9FdnSa385Xctn8=' 
WHERE 
  key_id = 'e839196faff0fdce6767617eaeff9b248d83328a04e0f67df4d7581e58397c93' 
  AND (
    token = 'J9Nd+tp72/3l93YzExOI3gkVJ6gAU9FdnSa385Xctn8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )