UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mi2eD9jGXAhzILrZjhuZZp0TivbGrOTr/jEyApf65rI=' 
WHERE 
  key_id = '6307a83d33d9bfd951689e462dcaae6f1d83c701e03941e49484819fd3bef3bb' 
  AND (
    token = 'Mi2eD9jGXAhzILrZjhuZZp0TivbGrOTr/jEyApf65rI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )