UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SQyqpebs90/1TjqC6VzbGXoExDHeXuP3npefGHt/xcg=' 
WHERE 
  key_id = '2ce9a6bdd803e48d12510547f8fafe033d990cdf888b53b0e112f26b60c5a821' 
  AND (
    token = 'SQyqpebs90/1TjqC6VzbGXoExDHeXuP3npefGHt/xcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )