UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nHnyuoPkHAyJNs7cqdmcQhFKPehuMLvTS3deifvxO54=' 
WHERE 
  key_id = 'e5399d142302ae5a3f751ad03b31520db92cd884a162bae7c6f54742324382e4' 
  AND (
    token = 'nHnyuoPkHAyJNs7cqdmcQhFKPehuMLvTS3deifvxO54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )