UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TnH42SKVMLj8fDmejl23flRVDTVxK+Zly4D+UOq13Zs=' 
WHERE 
  key_id = '13a68d43d3b343e73a8bab5e4c97de09ceab3976848558f094ac5bc7324407e7' 
  AND (
    token = 'TnH42SKVMLj8fDmejl23flRVDTVxK+Zly4D+UOq13Zs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )