UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gi315i1EAx5cXev//W4lmqihUJxLm3ClmqGJGU2QB+c=' 
WHERE 
  key_id = '2668d61bbe6230760bed746e81fd40253e3a9621286115cce7f50ba1e647d42d' 
  AND (
    token = 'gi315i1EAx5cXev//W4lmqihUJxLm3ClmqGJGU2QB+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )