UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gfhEiZAKk9dNMYYmk0BF2M9oEWDQRPBVg/SIgMFACM=' 
WHERE 
  key_id = '20a5f566e769ef43eaf1bd47d778b721ad1a8f891b005a3433a69f7cdfaff9c3' 
  AND (
    token = '6gfhEiZAKk9dNMYYmk0BF2M9oEWDQRPBVg/SIgMFACM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )