UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ly+vt6IVH0Alx4YFggfkHdKX7GekUf1PHRIUAFsf4hM=' 
WHERE 
  key_id = '3bf94163f29165e0629756f8741561927f5d0ee047745551bdadb30841ffd28f' 
  AND (
    token = 'ly+vt6IVH0Alx4YFggfkHdKX7GekUf1PHRIUAFsf4hM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )