UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2vk4deCOIzikFWgX0YnYco41yYxai0hCuE5KfXAiRes=' 
WHERE 
  key_id = 'a28520c768124af9dbd12bd75c2551b02e785b6889cb0a7d43671fa727ef5216' 
  AND (
    token = '2vk4deCOIzikFWgX0YnYco41yYxai0hCuE5KfXAiRes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )