UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H3kQVvKkls7YHd7h+Lhnla3mf6GO6yUHG/RneGaoZn4=' 
WHERE 
  key_id = '6663520b9c181a7ca89d81cea09ad8d12c74f9f4854ec2e31dd4d4d0335f29c7' 
  AND (
    token = 'H3kQVvKkls7YHd7h+Lhnla3mf6GO6yUHG/RneGaoZn4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )