UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EjxMQR3y4jJrJGJ4SjxvarSEcSrgu+nRW8LIpKAZIwo=' 
WHERE 
  key_id = 'bce329889473a5e4d023fd6401457e7dff0491f841509b308c9e57db84c21692' 
  AND (
    token = 'EjxMQR3y4jJrJGJ4SjxvarSEcSrgu+nRW8LIpKAZIwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )