UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nxWT8T73/jCvPlcn9FeROEa7olqPdF5bA7nCrFqDXEk=' 
WHERE 
  key_id = 'b935e3b784ccc5f9d5d1c54c8b52ad6f1fd920015544984a20d4f04f63615883' 
  AND (
    token = 'nxWT8T73/jCvPlcn9FeROEa7olqPdF5bA7nCrFqDXEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )