UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yuQRl3DWtJ4c3XwbVr3YBHrXD9/TX68zEbdBpm6AvvY=' 
WHERE 
  key_id = 'cf9fea8f6da6277a6a3fa6aea28a1eef14d8a1742cf6ce92915a4a6c2c61ca90' 
  AND (
    token = 'yuQRl3DWtJ4c3XwbVr3YBHrXD9/TX68zEbdBpm6AvvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )