UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yt1FV2UZ4Y1L3oDIBjph45hh+BBuRyNPpUHJnn1Fe1s=' 
WHERE 
  key_id = 'a196fa7f5899d3e50635c89aab8b94706ffc67d7f614215a34159f0e64189ac3' 
  AND (
    token = 'Yt1FV2UZ4Y1L3oDIBjph45hh+BBuRyNPpUHJnn1Fe1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )