UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xgnc0rGKrivdLYlVQGk8lRV7g53ibUD6W/O3GW+4mTQ=' 
WHERE 
  key_id = 'a51ba68d79237c2f11cd236789abc4424c6c79589c91e419b7451dd3181c0887' 
  AND (
    token = 'Xgnc0rGKrivdLYlVQGk8lRV7g53ibUD6W/O3GW+4mTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )