UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrATYVwjVXmZmfX6nak7251gPHwJ6Ak+UlPbCsVyKH8=' 
WHERE 
  key_id = '3a4683bbab87a67e511726ebebdec22bc3ced25e9f586cfd745ee916199df397' 
  AND (
    token = 'MrATYVwjVXmZmfX6nak7251gPHwJ6Ak+UlPbCsVyKH8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )