UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ncphk8XpKniWvEs3smFhcO0V3mp9573aItB66X3DR0M=' 
WHERE 
  key_id = '50ad45c4fffd6f5405e80a5c8753e89daec4519ed2eb80b59c5685ca295e7937' 
  AND (
    token = 'ncphk8XpKniWvEs3smFhcO0V3mp9573aItB66X3DR0M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )