UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p8omy1TH7+TsKj4AFaFdrICq58AgtAeEmB4utEBlVZU=' 
WHERE 
  key_id = '6304b3dfe030bbde825001ce842b6c2d85c2369b878a9465cf20359f47133d87' 
  AND (
    token = 'p8omy1TH7+TsKj4AFaFdrICq58AgtAeEmB4utEBlVZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )