UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mzc21pWxaXgavEuvLqXpjD6dBm3bFJ4IPdCNWLSQCH0=' 
WHERE 
  key_id = 'a48b496622ebccd97ad1538e7e1c61e4a50bc400d5d78929b17d312dfd696c14' 
  AND (
    token = 'Mzc21pWxaXgavEuvLqXpjD6dBm3bFJ4IPdCNWLSQCH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )