UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XC1RdHun440GiNhrCwPD5lEU8uvivk8rhXRcbP2wVu8=' 
WHERE 
  key_id = '933979aaef6d28f1b543c3f924b7c9177ab91996a15771362a452cf293b27611' 
  AND (
    token = 'XC1RdHun440GiNhrCwPD5lEU8uvivk8rhXRcbP2wVu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )