UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8IzcFrrA9sv0bI1o9wWnBI/O37civFQ2GWDr7xczXqg=' 
WHERE 
  key_id = '3401f2f370f546e8bfbc5d674182328910df96f2a91f577389a7c71bda859de5' 
  AND (
    token = '8IzcFrrA9sv0bI1o9wWnBI/O37civFQ2GWDr7xczXqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )