UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sehcxVrhoqBuWHJqmOX8aezE3FZpdCZe2KQ9uCAMxrI=' 
WHERE 
  key_id = '7dfb158e15b5b4b8e6425c7e1ddb2abd48fb5383fa3c0bd47bc5011fee8e81c6' 
  AND (
    token = 'sehcxVrhoqBuWHJqmOX8aezE3FZpdCZe2KQ9uCAMxrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )