UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P921FbSOtHytfcmJbxFxjSk5cX3P/qKn3ZaFLWq8dH8=' 
WHERE 
  key_id = '9821bf9506fa74bb75fbdf7a342f3287e66efa50058da34a9264932972586821' 
  AND (
    token = 'P921FbSOtHytfcmJbxFxjSk5cX3P/qKn3ZaFLWq8dH8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )