UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nKwXkuTKslFwuJdPZCl+oaLsVIHky4X26D5kXaveO0o=' 
WHERE 
  key_id = '50fa1e34e0410b8d3034272d9bf13319a62b7cd8c7dbe766460d95d90a49fbae' 
  AND (
    token = 'nKwXkuTKslFwuJdPZCl+oaLsVIHky4X26D5kXaveO0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )