UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YvCndasNbDKVtqSjOGgg/N2PCav+77PLQ7U8r55YdtU=' 
WHERE 
  key_id = '8dce321e8690b5f303623c3ba684e7cf3b922a7a0f720a0eddd020334d5895fa' 
  AND (
    token = 'YvCndasNbDKVtqSjOGgg/N2PCav+77PLQ7U8r55YdtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )