UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cSs8ZFV0NbP/CvoYY8WNQdZY+DnklPQ/N9+EVnt2qYw=' 
WHERE 
  key_id = '986d8d6e01971c0dfd0c41e6643bc8676294f602c2d364efc71ccbeed715bcc4' 
  AND (
    token = 'cSs8ZFV0NbP/CvoYY8WNQdZY+DnklPQ/N9+EVnt2qYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )