UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gaN3b/5lcBPysh6EfZywiVq9oOG8rGd9lWQAfU20m8Y=' 
WHERE 
  key_id = '4a34229c98f9aefa567e71d080d3bb9d40a44a356b14bc8b0503acf0d16b3854' 
  AND (
    token = 'gaN3b/5lcBPysh6EfZywiVq9oOG8rGd9lWQAfU20m8Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )