UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GKktMe4HRBKtndGKJt9yyGhGv0wytb5uhvsd0QBN/Ew=' 
WHERE 
  key_id = '857ed80494adc7d63d5fe171b37bda69208fc9cdf90e363a3fc20660e6e93caf' 
  AND (
    token = 'GKktMe4HRBKtndGKJt9yyGhGv0wytb5uhvsd0QBN/Ew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )