UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r2jWw9XBnRInfj7WCJtiK7HEKkHPKPQ83bGRjsX0kXE=' 
WHERE 
  key_id = '1b5cadca6dd9f56f7af5bdcfa2ac010fd6bc65229fbfe1e0770b9a41c0147ef8' 
  AND (
    token = 'r2jWw9XBnRInfj7WCJtiK7HEKkHPKPQ83bGRjsX0kXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )