UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '77VGJllDmB0ms9hoT3qpWs0aGBQTpgArIudJX1MC/ZU=' 
WHERE 
  key_id = 'b494da10fca7aab0b4371a9822a1b221b1b87b9782aece0ae4227dbdf4945c78' 
  AND (
    token = '77VGJllDmB0ms9hoT3qpWs0aGBQTpgArIudJX1MC/ZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )