UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CuhFKwIsR441gyD3bU/HH3RS+taBz7RE2rjv0TF5OJk=' 
WHERE 
  key_id = 'dac5352ce7bda0a380f2ff9fa2fa2a5727e96f46c762bfe9d5d2ff69d71b339a' 
  AND (
    token = 'CuhFKwIsR441gyD3bU/HH3RS+taBz7RE2rjv0TF5OJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )