UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vv4xXSNGyUxrJoUNZK1GPUt/8378VY2JJ0g6OfJ9Omk=' 
WHERE 
  key_id = 'a4a6ccbc4268fc37bf2308ed6df9409ef21012fc57115d5f28c81ece7bfbcb30' 
  AND (
    token = 'vv4xXSNGyUxrJoUNZK1GPUt/8378VY2JJ0g6OfJ9Omk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )