UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6RSpESqZtMSt4xm682cTgbSnvN2gRDl4GfWoE0gv7Y=' 
WHERE 
  key_id = '6efd50890fb430007dc4ee093c0d46ba2d619fdbed646f283136dbb41032bd53' 
  AND (
    token = 'n6RSpESqZtMSt4xm682cTgbSnvN2gRDl4GfWoE0gv7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )