UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8xSsLvXvvGDM0p1E5nQYXb/TbmLUWYUUMqYmEqvGJ4=' 
WHERE 
  key_id = '83e8844c7a649587e7139caddea873c00d87d83ace0d76d87f9f458e7928ef3c' 
  AND (
    token = 'N8xSsLvXvvGDM0p1E5nQYXb/TbmLUWYUUMqYmEqvGJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )