UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A931iEp6dMRh2L3fJcPquv2WKBLPjlF/IGqtkSJlu5E=' 
WHERE 
  key_id = '5240dad1355290324a4f2a6748d44e27cd8213d810a7f5c68f224633c930be2f' 
  AND (
    token = 'A931iEp6dMRh2L3fJcPquv2WKBLPjlF/IGqtkSJlu5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )