UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6FZ3uqp5nNxD1WEAquWSLbrs9JsHMP2C/66Us7fUXc=' 
WHERE 
  key_id = '1fd27863c743e6f19bf33bef3a791705983f3c4a887ffc2d42e0a7c13a127c0c' 
  AND (
    token = 'a6FZ3uqp5nNxD1WEAquWSLbrs9JsHMP2C/66Us7fUXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )