UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u0Mmk8bfIKAjIcWSICZoV1pRAsxmgDzkv2AtklsvOyc=' 
WHERE 
  key_id = 'ce5c4521ed745e431cd48625a8e479393e91743e13bf04625a5870a3bf991b8f' 
  AND (
    token = 'u0Mmk8bfIKAjIcWSICZoV1pRAsxmgDzkv2AtklsvOyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )