UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+zhCGHcw7s/JtBc4wmP1TY9oO5Ie4aQUuHhsYOzu5a4=' 
WHERE 
  key_id = 'c756ae28e9e70b4cc2c4fb0534b145af49aaccfaea5820d0af59a1004393a8c4' 
  AND (
    token = '+zhCGHcw7s/JtBc4wmP1TY9oO5Ie4aQUuHhsYOzu5a4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )