UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VO0wj4Q6nh7UZEJ/c7An7O4wB9WTKrIKmNNpHBTdl6g=' 
WHERE 
  key_id = '8078cbd0f079f1560b09519392b196f854fca0c51be097248410f919d9348e65' 
  AND (
    token = 'VO0wj4Q6nh7UZEJ/c7An7O4wB9WTKrIKmNNpHBTdl6g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )