UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zia+YJVPBw05Rp4FrouGqY14DGFvbOPDQF2+54eP8E0=' 
WHERE 
  key_id = '4694a2356db4e130fd2991133f3ca79ea50ecea4709cf0f380897caf28d40902' 
  AND (
    token = 'Zia+YJVPBw05Rp4FrouGqY14DGFvbOPDQF2+54eP8E0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )