UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DKCrog1WdF0G5y2u5pVdwDtbaoRfS+ju7HlqL5SbFqA=' 
WHERE 
  key_id = '51e3c64f05aebc8d4db2435fa83f36e6d1bebfd7b48d71d517c187c679be467f' 
  AND (
    token = 'DKCrog1WdF0G5y2u5pVdwDtbaoRfS+ju7HlqL5SbFqA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )