UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L2BL8W1NkWck7sxAEo8g07ji5mwW/TrGWdPgJKJekvg=' 
WHERE 
  key_id = '5696d9c0a699c02fc93ba897ab0af0ef21f46c6fbdb191b6766d243e4e04b870' 
  AND (
    token = 'L2BL8W1NkWck7sxAEo8g07ji5mwW/TrGWdPgJKJekvg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )