UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a98zlwGYC1u6oihXD1K5kz32gxUbjz3Lpp6ac3wAYh4=' 
WHERE 
  key_id = '3892e56f2367d08d81fd45956378cb9ac3afe5de2eae9fd5b5ddb182645a0f45' 
  AND (
    token = 'a98zlwGYC1u6oihXD1K5kz32gxUbjz3Lpp6ac3wAYh4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )