UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'imWQqxYVv5vpCN8WLdnAoKYbg8djD51wMvuc23V7PMc=' 
WHERE 
  key_id = '515125f66e088f2f9eab5df4b1ece1656b7bd686a8c64af7289c9678d9dccfc6' 
  AND (
    token = 'imWQqxYVv5vpCN8WLdnAoKYbg8djD51wMvuc23V7PMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )