UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Td5g6SQSPAB3tkd7zA7w2B8R1N/Hn1ps5YFdzNqT5bw=' 
WHERE 
  key_id = '3281072d047375d963f818677ec66aab1c7d712b5f9b7c22ce3c85b5f7d8ce02' 
  AND (
    token = 'Td5g6SQSPAB3tkd7zA7w2B8R1N/Hn1ps5YFdzNqT5bw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )