UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRvGnKLuKI4e9D2fWqEGZCjaw5EXadlNdYzHqD0/xso=' 
WHERE 
  key_id = '908d7ffc6d858d8dea5d07c6a247fda6bd2de682deac701912e69675b38b9f09' 
  AND (
    token = 'QRvGnKLuKI4e9D2fWqEGZCjaw5EXadlNdYzHqD0/xso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )