UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4S6C3v6GlAOHknG67elOEXX3zmzcpdjDkR8q3BSEWv0=' 
WHERE 
  key_id = '2743cd45edc2cf84bcc6a906f1cb7a23c1dfdfe8a9d0698fb7a14c2c85fe6397' 
  AND (
    token = '4S6C3v6GlAOHknG67elOEXX3zmzcpdjDkR8q3BSEWv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )