UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bt8//f0pq19Uov5GIoJjDi5C1xRCLOyABym6n7NunAQ=' 
WHERE 
  key_id = '3500f60260905337ab379a50ee94a3eb619fb8fa82eabaa33b1179713fb9439c' 
  AND (
    token = 'Bt8//f0pq19Uov5GIoJjDi5C1xRCLOyABym6n7NunAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )