UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jeERxKV9gjnn1UiJrVh7CHFoXmJjplA0SqJnrtGf6d0=' 
WHERE 
  key_id = 'af063e1c9744ac02f1cbd06edb458794c851d9e4cc19aaa58adc96d973aa2b51' 
  AND (
    token = 'jeERxKV9gjnn1UiJrVh7CHFoXmJjplA0SqJnrtGf6d0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )