UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PQd0/0gLaNFs3jHCI6XcZMzLzfgtx5efphu7nGaFskk=' 
WHERE 
  key_id = '6a3cb264cb57acf69616e7a41150dffbe99718a07a51a1a9990c8d489124e54b' 
  AND (
    token = 'PQd0/0gLaNFs3jHCI6XcZMzLzfgtx5efphu7nGaFskk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )