UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SqvfHrI644Lv8iLhnp3liS6LgyDOUPW8ExMS6vCd6AE=' 
WHERE 
  key_id = '4755daf4e3839accb8635e467ed12c931f402445b118f601b2f425f25f89c8b7' 
  AND (
    token = 'SqvfHrI644Lv8iLhnp3liS6LgyDOUPW8ExMS6vCd6AE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )