UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yZ8xVhfxEqRX2a917nl+Lh/uCAAV2a8NqUYsbJ50OxE=' 
WHERE 
  key_id = '596679311caaadf718bbca215bdc0fb76887364f2293b0e0d6f644c8cfd7699d' 
  AND (
    token = 'yZ8xVhfxEqRX2a917nl+Lh/uCAAV2a8NqUYsbJ50OxE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )