UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mU2Wj5hIC9VKhtKTrBKP2QppatIUZb7Ie6MVF3kModM=' 
WHERE 
  key_id = '503db9efd98891ee641366787f29887db6f611dee3d629aceb6affd1161254ed' 
  AND (
    token = 'mU2Wj5hIC9VKhtKTrBKP2QppatIUZb7Ie6MVF3kModM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )