UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79KtCUo9rOt+fa4A+FxXGHe30jweenLlIF013epnSzU=' 
WHERE 
  key_id = 'c18be92cb2fb75b975bdc3fe11092afc69d28924fe5793611b66c927ebaa2ada' 
  AND (
    token = '79KtCUo9rOt+fa4A+FxXGHe30jweenLlIF013epnSzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )