UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5RvykEwkwZw+8pFbj+tM5XEH6APhalK5IZ5eKJySyAA=' 
WHERE 
  key_id = '8b11d1d5e4f3392a5f69130c6b1b1ccacfd281ce4a127f61a12572b2297719c9' 
  AND (
    token = '5RvykEwkwZw+8pFbj+tM5XEH6APhalK5IZ5eKJySyAA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )