UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mIVtZCIKsZcY50ViKLEb3uv9KLNJ2jPelQwiEDPlsYs=' 
WHERE 
  key_id = '793b88f12ac39e6aac2c1e2d33ae8846c681bd4e7f6072b4b611b223e7fcde92' 
  AND (
    token = 'mIVtZCIKsZcY50ViKLEb3uv9KLNJ2jPelQwiEDPlsYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )