UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E/lZ+W91YfXDjBaBQYxLg2dDjeI33baJ8pS9kcjxkLk=' 
WHERE 
  key_id = '15c76c782f17df2e5c4c6272fb887d26bf48a2648c33f99b1b977b20d03bff06' 
  AND (
    token = 'E/lZ+W91YfXDjBaBQYxLg2dDjeI33baJ8pS9kcjxkLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )