UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a/iJjq4xqnRz7R8dNsJtMyWLHVSGhXF9NqB54ustajc=' 
WHERE 
  key_id = '68c1399fef94717b4f80b7d938ee865a878483a5f4192abd5736863e7d0f3aaf' 
  AND (
    token = 'a/iJjq4xqnRz7R8dNsJtMyWLHVSGhXF9NqB54ustajc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )