UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i8f9U9FLVapiPzWlcyzfAPEbJbmUIo6G2lRICsrJMoY=' 
WHERE 
  key_id = 'ce2f3163bdeabd4fac871e4b9e05df06c51b5c5ede1fd4ec7d103bfc3701166a' 
  AND (
    token = 'i8f9U9FLVapiPzWlcyzfAPEbJbmUIo6G2lRICsrJMoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )