UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZkexMtF7ZFBkUPpPbkIhuyrGzh5VyR8il6v70FMzKFY=' 
WHERE 
  key_id = 'f50ad3a18b207b97ae5729e781294a89927b71b636d4afc254f922846c25efab' 
  AND (
    token = 'ZkexMtF7ZFBkUPpPbkIhuyrGzh5VyR8il6v70FMzKFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )