UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajlz7AHgeTvaEzN8pxxukzqC3txwNL9ZvdnmqyLeggc=' 
WHERE 
  key_id = '66c9a8c90359cb103a6fbfec98d851d41665580581b5d88173dd88cb2c0f1987' 
  AND (
    token = 'ajlz7AHgeTvaEzN8pxxukzqC3txwNL9ZvdnmqyLeggc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )