UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yZjk7sRHm6IyGJaoqumwH7KTdv4FWhxHcq5giyzgZmg=' 
WHERE 
  key_id = '6b89f33f03724e4c120450155ee9ea63912f0b72764a6691841bd11e949afe0c' 
  AND (
    token = 'yZjk7sRHm6IyGJaoqumwH7KTdv4FWhxHcq5giyzgZmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )