UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QVw6Fjf/w5zZtI7dOHMj0jwTccPpUmTkbDWDecwybEk=' 
WHERE 
  key_id = '2579ff59e216e5b59e21e1b6ae1ae7aac4a553ae3ac82a5313022a345881352a' 
  AND (
    token = 'QVw6Fjf/w5zZtI7dOHMj0jwTccPpUmTkbDWDecwybEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )