UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Exxkt6EmAl4HKkSClUN4WhAHvWFro1HTzs4LNNV/sfI=' 
WHERE 
  key_id = '3a6580b23e4e9d15f08faa37ab24e09372a765f402e39297641b239c9e77baf6' 
  AND (
    token = 'Exxkt6EmAl4HKkSClUN4WhAHvWFro1HTzs4LNNV/sfI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )