UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F+WOJ65xPnOB2UMKJXHFy5p+HHZrSlGWSyfqteWnSVg=' 
WHERE 
  key_id = '8765152ec3fb20e2eb421b484059e3e2b59f77a1293f508479a65a3051c67445' 
  AND (
    token = 'F+WOJ65xPnOB2UMKJXHFy5p+HHZrSlGWSyfqteWnSVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )