UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'enuuSZoZgWg1lVzLVo8BiPKt6obDLc0UMcIFl5dvFgo=' 
WHERE 
  key_id = 'af1d271405dc05195f27bfc5033c7d1ab389336d10935cd029838391299e3eda' 
  AND (
    token = 'enuuSZoZgWg1lVzLVo8BiPKt6obDLc0UMcIFl5dvFgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )