UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/eIi0N+7wE+4o2Ft7vWkqxggOrN0AoKtYROe4Rd1fzo=' 
WHERE 
  key_id = 'a93ddbe45fc216ca54d64db177723947cabb8301f9d564863c586c2743ea195c' 
  AND (
    token = '/eIi0N+7wE+4o2Ft7vWkqxggOrN0AoKtYROe4Rd1fzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )