UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q5LFq2dNx4HOdvdhnc00vPRiAdZB+07QzSQtNbbO2/w=' 
WHERE 
  key_id = '6d253100f796322f8d476918da9949d21ac3ca711cc15c88c1318d828c91649b' 
  AND (
    token = 'Q5LFq2dNx4HOdvdhnc00vPRiAdZB+07QzSQtNbbO2/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )