UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aLWT6NDNkpxnugqFoq90+iRV/CqfieY2uZjqCqPIxB8=' 
WHERE 
  key_id = '76fe59b1bfbca4d72d3803d3b410e874a77d0a8c31963f5bebe1e03d2e060603' 
  AND (
    token = 'aLWT6NDNkpxnugqFoq90+iRV/CqfieY2uZjqCqPIxB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )