UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't1k0vdWOKQv2g6m5q9qhyd7EVSW7kGr7yM2RbhBHc/I=' 
WHERE 
  key_id = '45c47a39453855a98271d08baeb448762f6cda77d2b38044a278045e500f1564' 
  AND (
    token = 't1k0vdWOKQv2g6m5q9qhyd7EVSW7kGr7yM2RbhBHc/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )