UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rflsoc49DDzNnt+x0k0uoCAK89txsYymgfQgm49+MXU=' 
WHERE 
  key_id = 'a6fe40eb417821c7ce03dafc3c0896b58b6ef03a90b56ddfcd51839933b1df34' 
  AND (
    token = 'rflsoc49DDzNnt+x0k0uoCAK89txsYymgfQgm49+MXU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )