UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aKepfk4KdAdn+hkstiRq/pEwTIX5+W+6wIsMsVw+9YY=' 
WHERE 
  key_id = '881fe7939141a8295dd192c0721fcc2a87df4477ba7eea362a7b477c537c9a4f' 
  AND (
    token = 'aKepfk4KdAdn+hkstiRq/pEwTIX5+W+6wIsMsVw+9YY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )