UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iv8/afVBpTsCfS51rV6DlLM5OwjyqQ8CTM6Y4TrTLEE=' 
WHERE 
  key_id = '19c105a42457df3be55ed1c37ff5cadcd56fa45f6e0ee7f38351f3ceda4b8bb7' 
  AND (
    token = 'Iv8/afVBpTsCfS51rV6DlLM5OwjyqQ8CTM6Y4TrTLEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )