UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XkXvsA1tLGcVbi7EsAylX644BXE0g2iaAwCASSupNfY=' 
WHERE 
  key_id = '955875e86833d843be9ccfb75753f214ed5760605663a0d02e814db1e1b843d1' 
  AND (
    token = 'XkXvsA1tLGcVbi7EsAylX644BXE0g2iaAwCASSupNfY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )