UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/TNc6fmCiKj6X7N72WxxHeeBUVPZNq+28RUdj201uY=' 
WHERE 
  key_id = '6a7fffcae1f336608eba0415ab230c37df56f7cc0ee0119834b91fa5b00d70af' 
  AND (
    token = 'S/TNc6fmCiKj6X7N72WxxHeeBUVPZNq+28RUdj201uY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )