UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QCHK+veCj/maHUn4dBFlTUYhD36K6sUgqAq/PipOTIo=' 
WHERE 
  key_id = 'd5e2b22caee195827335403c88e87d2aeac3648915283370e61c3f1addaf1417' 
  AND (
    token = 'QCHK+veCj/maHUn4dBFlTUYhD36K6sUgqAq/PipOTIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )