UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nG9uqP8+eiChfRWGZDU0QTCvuJPyft17GzWLnC6/EzY=' 
WHERE 
  key_id = '6e76d0e6114697dbbb3b9216bf14e4fce6532e516ed8d7fa877d3b2c24fbc468' 
  AND (
    token = 'nG9uqP8+eiChfRWGZDU0QTCvuJPyft17GzWLnC6/EzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )