UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SScPk5cnAZ15KfQxqFzdYHyMSC1uYeKG6uFQyfIhvKk=' 
WHERE 
  key_id = '1e84db7fcea7c989c49325895c78ec3077572563df98852c57582ee6792d6261' 
  AND (
    token = 'SScPk5cnAZ15KfQxqFzdYHyMSC1uYeKG6uFQyfIhvKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )