UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WaWGdpov6Lof4tsil4ZFL8h2BAXetEWNT0OtXIO7FXs=' 
WHERE 
  key_id = '83a7d75eb646030eb92cf48c86771a5f92e5fcda0ce24ae6bf0af50fa807adb6' 
  AND (
    token = 'WaWGdpov6Lof4tsil4ZFL8h2BAXetEWNT0OtXIO7FXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )