UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KmwiTfY63qpChS+ycEc1kO2y4kSkR2QRbmhGkz4djUk=' 
WHERE 
  key_id = '7a93a3474820808e6f13cd429643499434ce78f61ef1b19e0eba1daeea42df27' 
  AND (
    token = 'KmwiTfY63qpChS+ycEc1kO2y4kSkR2QRbmhGkz4djUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )