UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NEk0rVAwqlGnUL7JGGOpEc7P2Bn/N1s8+39Rh+YzzDw=' 
WHERE 
  key_id = 'a40c000c92f378f03fed9acd4f12670640545a75598d15491d90791155475957' 
  AND (
    token = 'NEk0rVAwqlGnUL7JGGOpEc7P2Bn/N1s8+39Rh+YzzDw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )