UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/IFAWy2As2AZOWa+SvxJzfohAZQ1sjxTVvN2uIzmiVE=' 
WHERE 
  key_id = '5164147f24b6bda4a4d6e261d4397af94a6bc41ebfb43a735c8984422f6ec468' 
  AND (
    token = '/IFAWy2As2AZOWa+SvxJzfohAZQ1sjxTVvN2uIzmiVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )