UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eX6eVWATqZI2+hgcpIN7D9oX721ZEBNDttqyhU82bEM=' 
WHERE 
  key_id = '20a41e25a8ac41a3a3b46db7195af9d338c278e46fbdc9f38c8f7641845433bf' 
  AND (
    token = 'eX6eVWATqZI2+hgcpIN7D9oX721ZEBNDttqyhU82bEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )