UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bU6cqznUCsMeGtWxb83jphOkuWGPWpu9XljbQ+V1VBo=' 
WHERE 
  key_id = '4d8eef9dd7e92c70316873dda80873a69e3ad5fa2025f5c3096e76020d9c5230' 
  AND (
    token = 'bU6cqznUCsMeGtWxb83jphOkuWGPWpu9XljbQ+V1VBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )