UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bweEQcgNEn5BTXBNzVnEOkIkvuLw7gX+rawaZDP8fdY=' 
WHERE 
  key_id = '68c68fc6872d2a28d05a6f93d88af8961fb3b6df9a542b237fe98e815b669197' 
  AND (
    token = 'bweEQcgNEn5BTXBNzVnEOkIkvuLw7gX+rawaZDP8fdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )