UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M7zjr2slvhcG9GsoO5cFDgiUSx85YI5wiU+G7TDFiWA=' 
WHERE 
  key_id = '81f55e2d3c9407141a73c16188192f4b8ff128896af9a99df8e09b8110836ee4' 
  AND (
    token = 'M7zjr2slvhcG9GsoO5cFDgiUSx85YI5wiU+G7TDFiWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )