UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vqnukExq4rnZnwJER3lPph0pgCfyTmMHvNhvTGNO8X8=' 
WHERE 
  key_id = '20752bbb4a14ea310eb566920b33123364c3cc10b5a7e38c54065b763cdf8702' 
  AND (
    token = 'vqnukExq4rnZnwJER3lPph0pgCfyTmMHvNhvTGNO8X8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )