UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i28DU0oD6F7xnJIj8b9O6Mgk3C2uS7GmKPv0eQ48BRs=' 
WHERE 
  key_id = '390cee776c61f30db4cf7c8bbe0db81a7bbc29f857c64f302e1dd11e0662ff7d' 
  AND (
    token = 'i28DU0oD6F7xnJIj8b9O6Mgk3C2uS7GmKPv0eQ48BRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )