UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EjotmU2pFowvzFBhbmZkmY5AGSpGkPl5QdIr0WDBrjw=' 
WHERE 
  key_id = '827a1e13ab0defef6a4fc209e8fc9bcecc7505e30b7d84a49e8170127c1a813e' 
  AND (
    token = 'EjotmU2pFowvzFBhbmZkmY5AGSpGkPl5QdIr0WDBrjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )