UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkZH6lHbBOOaUW3lcdTppqc7HKnymcPWwCsFEPnqUIQ=' 
WHERE 
  key_id = '6e94ae504017ad9acefef5f0eddf3a99796e84cb4a4bef0e263bead67517f9d3' 
  AND (
    token = 'nkZH6lHbBOOaUW3lcdTppqc7HKnymcPWwCsFEPnqUIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )