UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6vtvkXMMaUrkChJ99Kjcj3/0lRo/C3iGtPhXLrKv8o4=' 
WHERE 
  key_id = '87a6eb52cf13b12460664d130636182b12982766c6f45455e2d6f66e7a0e0c17' 
  AND (
    token = '6vtvkXMMaUrkChJ99Kjcj3/0lRo/C3iGtPhXLrKv8o4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )