UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2svw9KmfmvrLtVem2GJcwhRPK+7ihiSJj1zsy6DLLpI=' 
WHERE 
  key_id = '8e2fbaa8ab9a28fd3238c4c9fc39f0bd8559c2c99efcf2810c9d9f5aa9ad950c' 
  AND (
    token = '2svw9KmfmvrLtVem2GJcwhRPK+7ihiSJj1zsy6DLLpI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )