UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8CNckXbVjPJs4Zg2SBpCbTDSB3cmqbkQBKGJhDaVG8Q=' 
WHERE 
  key_id = '9e8e99efc11e180e14e3791857bfe6a61d03baee38a654b526fc0813539f90f4' 
  AND (
    token = '8CNckXbVjPJs4Zg2SBpCbTDSB3cmqbkQBKGJhDaVG8Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )