UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J6UqbEeittults2b8BgUtLbxxPuGHdI2SSj/DWIxqqc=' 
WHERE 
  key_id = '1e91a9da4a471dceae200cb7da022345b7d18df0d4574271a2640577a5e7c859' 
  AND (
    token = 'J6UqbEeittults2b8BgUtLbxxPuGHdI2SSj/DWIxqqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )