UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6BN8VaK+vStg4fa6RWoQnJg3NWqVSMZDNqZmzGLhuBU=' 
WHERE 
  key_id = 'df4936d09977fa23d28b46f74445798031f71cf2c5b6686d0be2df6c2b58ea8d' 
  AND (
    token = '6BN8VaK+vStg4fa6RWoQnJg3NWqVSMZDNqZmzGLhuBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )