UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CQi84COFrQt71NnrSYetFWxthfNiSYE4iBqno33RCPI=' 
WHERE 
  key_id = 'a40fd3557fb74a2bc689088f136712c62ad0963488957bb16f59fc72cf954806' 
  AND (
    token = 'CQi84COFrQt71NnrSYetFWxthfNiSYE4iBqno33RCPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )