UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xKpT4qaKI+T1zXEYwJNFHHvTjZqzMnS8TOuOm0vmf+I=' 
WHERE 
  key_id = 'a35bbf50cc136dab5320af375fb1566f191f5cc57e28501b90a41624dbdfb2fb' 
  AND (
    token = 'xKpT4qaKI+T1zXEYwJNFHHvTjZqzMnS8TOuOm0vmf+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )