UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21gyeuepC4lh3FYAJdGaO5aaJKN0zrKXVzxdtBURf/g=' 
WHERE 
  key_id = '8603e52f66d4268763cb207c50f93bc593adb4396eb3fc12142393b447c3d9f3' 
  AND (
    token = '21gyeuepC4lh3FYAJdGaO5aaJKN0zrKXVzxdtBURf/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )