UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/DHDPgrW+x+xt/oWKcZ81m1dUidPoIpn0Q4d5nBaPw=' 
WHERE 
  key_id = '2305e6ec85adc0d24844f18ef6166dec13750e029d408c14f8e03e5e8609c701' 
  AND (
    token = 'S/DHDPgrW+x+xt/oWKcZ81m1dUidPoIpn0Q4d5nBaPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )