UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UZ7fnvTORJqLVKaIpCWGCqa8yO74yz4W/AMWabKXlUY=' 
WHERE 
  key_id = '3915384a7a26e8d90e092334281cbfbbdc1fdca7c732366b5ad68b83cd3e7ffa' 
  AND (
    token = 'UZ7fnvTORJqLVKaIpCWGCqa8yO74yz4W/AMWabKXlUY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )