UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6hF3vnuau8/vKUCRBuk8ETL8j55NPwi6L91OEqLxKBk=' 
WHERE 
  key_id = '6db0f90952d3627d9cbe9cc3c356ef5d078525196f02fff9025fcbd243e00574' 
  AND (
    token = '6hF3vnuau8/vKUCRBuk8ETL8j55NPwi6L91OEqLxKBk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )