UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gxt8WzYr3bHweY5zAMTlGUu1GRn8D/5m2KcEDivubPc=' 
WHERE 
  key_id = 'faeeef932798c0cf64398ca042d6529b6993a7d0c4e8a6f2ef70d5338c5757cb' 
  AND (
    token = 'gxt8WzYr3bHweY5zAMTlGUu1GRn8D/5m2KcEDivubPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )