UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SuRNF96vsXSnCMdhgukaAsalS5tOqOx1tCwYMla8eLs=' 
WHERE 
  key_id = '6880951ea9483b76affbd2950911ce11942097f9ac447169b090c557af80ac20' 
  AND (
    token = 'SuRNF96vsXSnCMdhgukaAsalS5tOqOx1tCwYMla8eLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )