UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ZuBtpz3OKXgvsUSOt0HGmOk600Hk5DP3fb921IZlxs=' 
WHERE 
  key_id = '93ee0aa151d5b166ea92a6b71bda79cc69c76d2894923d97c3ec1b9b95b1a4c8' 
  AND (
    token = '4ZuBtpz3OKXgvsUSOt0HGmOk600Hk5DP3fb921IZlxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )