UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3ylm0RdTc5Z9Bxot5BDCRRA44FKCD6xMKXIub05d4qU=' 
WHERE 
  key_id = '20c4156ecf217ac402739b6311e4c4c4407b125d96e820b17fe2181d298403f1' 
  AND (
    token = '3ylm0RdTc5Z9Bxot5BDCRRA44FKCD6xMKXIub05d4qU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )