UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mc5gC/uBq2jS8fMxEJu38UYUxCq+9yItPmU0Vgi2BO0=' 
WHERE 
  key_id = '4bdc1b28d82119b85164a5287d90ed209b4d902977aacc58fe6fdbda66e74d27' 
  AND (
    token = 'Mc5gC/uBq2jS8fMxEJu38UYUxCq+9yItPmU0Vgi2BO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )