UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6DdvAT9GPJUqkq0ra2A0lHZaIOibGNr5ixU2yjAa1mg=' 
WHERE 
  key_id = '550cd25ec3c506e9690e7941155cfd9581a33a81a7a452a11f19260dc8997e9d' 
  AND (
    token = '6DdvAT9GPJUqkq0ra2A0lHZaIOibGNr5ixU2yjAa1mg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )