UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7xA0+xllfrLIgN4aJz9dUTlFeto1xLbU4W4Ap6vHVVk=' 
WHERE 
  key_id = '6ab7786cdac78a9e89155e0906308550c545d93401c3389f81336e34db1ec0b7' 
  AND (
    token = '7xA0+xllfrLIgN4aJz9dUTlFeto1xLbU4W4Ap6vHVVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )