UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CWqP75WKfsnGZSGSDxEz4MLAv37VB9iWXfmLdO9OUhQ=' 
WHERE 
  key_id = '21ccfa5f1804228f07143c310e75b75820bc40a999e4869f1390e72d5eb50666' 
  AND (
    token = 'CWqP75WKfsnGZSGSDxEz4MLAv37VB9iWXfmLdO9OUhQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )