UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uPpTfaPYzVKkxATYBWXy2LPZnNXMnFLElZkw0i3YbeA=' 
WHERE 
  key_id = '5c68b93fe024827a9cbfec64ccd7e6d0890514597574b9d5daaa138eff589370' 
  AND (
    token = 'uPpTfaPYzVKkxATYBWXy2LPZnNXMnFLElZkw0i3YbeA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )