UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lq6Oz+0LB67He1W6TBhH49qQkXHWRfh3OuCv3LxskUI=' 
WHERE 
  key_id = '99700dc86de3277e18b8c231b1c690bacc9b2c2a88903576dbc12bdd30bf1293' 
  AND (
    token = 'Lq6Oz+0LB67He1W6TBhH49qQkXHWRfh3OuCv3LxskUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )