UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CU5+450reGAfNWYqHbP8bpbxmhE2WnLnGhW3SJB5KRA=' 
WHERE 
  key_id = '59e7f7f64e13bbde0fdff408a6bac0ed25fc10e18d0238b31435398350dd41c7' 
  AND (
    token = 'CU5+450reGAfNWYqHbP8bpbxmhE2WnLnGhW3SJB5KRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )