UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajYjlxF1ZEhXQ5GvFNgur8Vi0+loe5sWIJ2d+3wasGY=' 
WHERE 
  key_id = '2593c8dc98b57fd900c7d5ee36fc4e111fde614ca1eab7eb9b1f311dc817b1c9' 
  AND (
    token = 'ajYjlxF1ZEhXQ5GvFNgur8Vi0+loe5sWIJ2d+3wasGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )