UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MuMS/wSsRmN7TTM6VXIUm+pvv3rXHQLJxvDww+LtP78=' 
WHERE 
  key_id = '7b50965a8c7fbca8369296b761f62300ae51d4f776059c59f36fad8d341d4edb' 
  AND (
    token = 'MuMS/wSsRmN7TTM6VXIUm+pvv3rXHQLJxvDww+LtP78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )