UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cwt91KvLPqnIng1AdF+GNN/LzxJp6pTn90HUMW1aFsk=' 
WHERE 
  key_id = '15bdb1c8e49307d9dfe092cfd4e0dae2c261ea4638f34f622404d27188da5475' 
  AND (
    token = 'cwt91KvLPqnIng1AdF+GNN/LzxJp6pTn90HUMW1aFsk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )