UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4h6dR1DZm9fkO/j8tuLIORTBkHomvckCaw5Y6CXTeD0=' 
WHERE 
  key_id = '68523d94f981b923738fed7335c7afcfe8ba68d3cdecbcb5ae3186e31ff2f802' 
  AND (
    token = '4h6dR1DZm9fkO/j8tuLIORTBkHomvckCaw5Y6CXTeD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )