UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrV4RY9XEgUCFbQZLKpkIyIVVxVJYrcAoAjnbscg4iU=' 
WHERE 
  key_id = '51722c08cc82ca459289cc66e1c447340d83b4afb2de71e0bb0919bfa87b3902' 
  AND (
    token = 'PrV4RY9XEgUCFbQZLKpkIyIVVxVJYrcAoAjnbscg4iU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )