UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'IofUa8C7YP3PtM5XzhBeG78LvSJCPrkevWtVH1y73aA=' 
WHERE 
  key_id = 'c4feea6632053247142cbabe20db9c72486c5f5532a73455a914d47fe6841f67' 
  AND (
    token = 'IofUa8C7YP3PtM5XzhBeG78LvSJCPrkevWtVH1y73aA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )