UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTPwMnWG7z/ByvNRnWbqS2ybjqZe5A1NLnCnPGBZuyM=' 
WHERE 
  key_id = 'fe5661c0d219e18f5da3037a3cf7a16b12bd44c7d83a112fc9f152d62ef403aa' 
  AND (
    token = 'MTPwMnWG7z/ByvNRnWbqS2ybjqZe5A1NLnCnPGBZuyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )