UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xexeVXddb4vdf3VJOFrAm61SMyP0oWicOHHlqXlIrM8=' 
WHERE 
  key_id = 'b81efd1ea1999d98c400e8d4914d28f58994805a73c7100a17725eda1c8a6028' 
  AND (
    token = 'xexeVXddb4vdf3VJOFrAm61SMyP0oWicOHHlqXlIrM8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )