UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHBu+bqkDiUIPXfJrFL/izbxUwilEjYeyUnh36ua1qI=' 
WHERE 
  key_id = 'a8c611830502d0def293dfcc2887d9ee1752009275d9258ccba3f7351d65a10f' 
  AND (
    token = 'MHBu+bqkDiUIPXfJrFL/izbxUwilEjYeyUnh36ua1qI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )