UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TyUksuUGFTbDJWIsWAxYYk4wUyXUt+VAxGSJjubSasI=' 
WHERE 
  key_id = '836eb6df50151ec5cd76468a828ab808b1043532a6f7b630a3662d40460f0931' 
  AND (
    token = 'TyUksuUGFTbDJWIsWAxYYk4wUyXUt+VAxGSJjubSasI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )