UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'N8UpH/Ob9qsH1MOLCUi9FXRSwrTnY2Ks3qlOfvleNqs=' 
WHERE 
  key_id = '71b2aba80bf210972cf2817b233615b8d5784cd34eb6d592f825bb0bd1e8b446' 
  AND (
    token = 'N8UpH/Ob9qsH1MOLCUi9FXRSwrTnY2Ks3qlOfvleNqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )