UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z6QTTeeS6sdSP37vsir6fzjFUwtPB0WKyBEqpUEWNc0=' 
WHERE 
  key_id = '6ff20b05a72aec187f94d8c53893c427df2224064b540b5b71ec5c912fb5bdb5' 
  AND (
    token = 'Z6QTTeeS6sdSP37vsir6fzjFUwtPB0WKyBEqpUEWNc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )