UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5ae2SL5gJTZBX4dYnwZr1AX3l5vhHDgZMg4VqrKXUmU=' 
WHERE 
  key_id = '96e1a8b85dc0db922b0df40e5e49fcee26321596bcede4fc56c88cdc45a8de68' 
  AND (
    token = '5ae2SL5gJTZBX4dYnwZr1AX3l5vhHDgZMg4VqrKXUmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )