UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2+sm+hti1uXFS2ZerigPXAjooIwI+gsgiq4CmbOQPf0=' 
WHERE 
  key_id = '831e2c6e60c84e605a630fb63874c4633c82da82596a4e2e366ec4b905aea42c' 
  AND (
    token = '2+sm+hti1uXFS2ZerigPXAjooIwI+gsgiq4CmbOQPf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )