UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1C/ShsOuMQv5EtQlnZO3gtVgWLABnWu9Bzc9h9Iguk0=' 
WHERE 
  key_id = 'a923a045e90a4c0a4fe9de80e36569e9e2aed3548d41d14911be3fcd9e61a77d' 
  AND (
    token = '1C/ShsOuMQv5EtQlnZO3gtVgWLABnWu9Bzc9h9Iguk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )