UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8l413Hu2zHy+m44j998PvxWp90SoIf+GAlkKVjJPsVw=' 
WHERE 
  key_id = '39968a2fa75b8d5feeb38b663bdd6c99bfe296bafe5717336f16eae57a9d8495' 
  AND (
    token = '8l413Hu2zHy+m44j998PvxWp90SoIf+GAlkKVjJPsVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )