UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BQswlu1l3nmxyrWG4gxX/oL3s+iAZ2ERbh7rWtMkpmM=' 
WHERE 
  key_id = '2e931130d882bbe2ddffa673f96901705c39ba5d8edd0402d1a9d7c885c468b6' 
  AND (
    token = 'BQswlu1l3nmxyrWG4gxX/oL3s+iAZ2ERbh7rWtMkpmM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )