UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r3I7OSYGa8jOro7K2b9EOESXoJXlrvyeN4enm0DLZ3k=' 
WHERE 
  key_id = '3a321b7a6ebf616fe8176d40bc78549e0615d87f299fa65b5e3538ce2bc472c7' 
  AND (
    token = 'r3I7OSYGa8jOro7K2b9EOESXoJXlrvyeN4enm0DLZ3k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )