UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Arpnh4pCEtzGWnuuWKeYTzi48V3LmroTnQ9gkZJGa8Q=' 
WHERE 
  key_id = '255070ccf40eafa9fb2588b39780282a23e740cc4802e333c0e4691cd56163ff' 
  AND (
    token = 'Arpnh4pCEtzGWnuuWKeYTzi48V3LmroTnQ9gkZJGa8Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024