UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M/Z42RwJaRauQLyOm9lLjJuuJD8flHrFGkujMaBidDg=' 
WHERE 
  key_id = '1fa0c86e63c48231038f0877a77cd4fa3121d712bd49ad6d1f12795996ccb5e7' 
  AND (
    token = 'M/Z42RwJaRauQLyOm9lLjJuuJD8flHrFGkujMaBidDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )