UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w5dktHZrkkEzptnqmWmXc/4tChBov1FRQCz4x8WvkQ4=' 
WHERE 
  key_id = '1cf71a8ac6f17a4f7d06036568b01e7e37426ee017dd2e111e8c93c7b2203040' 
  AND (
    token = 'w5dktHZrkkEzptnqmWmXc/4tChBov1FRQCz4x8WvkQ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )