UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7fmSqel8DzeqPT+g5c5v7++1my7haybjpogg86zeVg=' 
WHERE 
  key_id = '0236510f66f45f7c33961f087d1fddda5341f71c6f7e2b7974fb9003fcd6b335' 
  AND (
    token = 'b7fmSqel8DzeqPT+g5c5v7++1my7haybjpogg86zeVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )