UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SX6ydaV6XxVDYuyECtyEifyHMNpwKiUZrDdITrvYJgQ=' 
WHERE 
  key_id = 'b620404813e0bb1f88b1cb4c8c9fa65c1be59f441d88539ccb27f6a3d87955cf' 
  AND (
    token = 'SX6ydaV6XxVDYuyECtyEifyHMNpwKiUZrDdITrvYJgQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )