UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EltqSe5pnH9dFiGXI3EJ6CelmWp2wpvhiC0Pjs9YN+c=' 
WHERE 
  key_id = 'a9f0d068885cdd50811710d4c2e6bf9dcbc39d5bcb28512faf02f601be16c648' 
  AND (
    token = 'EltqSe5pnH9dFiGXI3EJ6CelmWp2wpvhiC0Pjs9YN+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )