UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MR1OkFAqxE8kUqKS8+cwNmb5DQGVFSBJXSoo5Oc6nV0=' 
WHERE 
  key_id = '7c1e5d604f75ed5a52d29411fc9e36d829a6f8b441eb09122fd1ff28b0a38e5a' 
  AND (
    token = 'MR1OkFAqxE8kUqKS8+cwNmb5DQGVFSBJXSoo5Oc6nV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )