UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6sYp7V/xsJhg98yWm0BKriex6dZzVjm+NWtRyPQRKUI=' 
WHERE 
  key_id = 'b4b16c5a339363a107dced2aff6e0e695516f103a44350407e2f735678285d5f' 
  AND (
    token = '6sYp7V/xsJhg98yWm0BKriex6dZzVjm+NWtRyPQRKUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )