UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GPgz/mkTp4KAYTk1mj8SkD6gJedcyoZ9+/JCB3BlYIc=' 
WHERE 
  key_id = '973f6555616673d323ab6ec5ea712adc94f55f11e0aef665c6235d1b20bb9c8c' 
  AND (
    token = 'GPgz/mkTp4KAYTk1mj8SkD6gJedcyoZ9+/JCB3BlYIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )