UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W/aM73eE2kw7WtCINWU6sExAYjjxwT6Wfg2W5RTadRY=' 
WHERE 
  key_id = '8dddb7bb0217a67cc98f2ff513810aa958ad2877a1d0cbff5afb2d8dd0316675' 
  AND (
    token = 'W/aM73eE2kw7WtCINWU6sExAYjjxwT6Wfg2W5RTadRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )