UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zn8A18A5WDLqnbXfn4co6zaUdGa9KQ/MZsQdX8DYkXw=' 
WHERE 
  key_id = '6e4c098dffa7acea6985ceb8c7267b377dfadc90ef747b5a08d58279ce24eb43' 
  AND (
    token = 'zn8A18A5WDLqnbXfn4co6zaUdGa9KQ/MZsQdX8DYkXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )