UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o79wGJb0ynqjtgwCJcYjSmYynF1wGqqdizaz3h4bkX0=' 
WHERE 
  key_id = '16a48979b0683564faf5a63d88dabe36e4c0f332505e9d64f5a9487e2368182d' 
  AND (
    token = 'o79wGJb0ynqjtgwCJcYjSmYynF1wGqqdizaz3h4bkX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )