UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sCavK7jmNiB9ZcGfMdmPyg0yqweKMub7Bl+xZc+rpXo=' 
WHERE 
  key_id = '29841b1207f69829305568fc6e504685c9f0b9dee9ae5fd4648f8d0b62d10a1a' 
  AND (
    token = 'sCavK7jmNiB9ZcGfMdmPyg0yqweKMub7Bl+xZc+rpXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )