UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrRta7FNNdzEmjYEIET3q2uSC45udWrrDKLkq6Sy8yI=' 
WHERE 
  key_id = 'b46dde43bfef536bf7883b5d8df5d01ad9953734cdbde84580550fbefacf1b1e' 
  AND (
    token = 'PrRta7FNNdzEmjYEIET3q2uSC45udWrrDKLkq6Sy8yI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )