UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Liu1E43sgTbJLSDB3Upq/dXSQGhkW8IZ7IfjFkziP6U=' 
WHERE 
  key_id = '91b785706656e1e706207691911fececab03a69362bb6a11ada3d1b11123b98d' 
  AND (
    token = 'Liu1E43sgTbJLSDB3Upq/dXSQGhkW8IZ7IfjFkziP6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )