UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LnncqGxJD3yY7OE30QPWZgqq5YstTDiE7B+EK3tNVqg=' 
WHERE 
  key_id = '254b4709a9344467a31dc4aac59845e3afa8244eec5d34fe114329a93744f3b6' 
  AND (
    token = 'LnncqGxJD3yY7OE30QPWZgqq5YstTDiE7B+EK3tNVqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )