UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UqA/rGhce71diFAq+g8W2gIG9tn2/4MXmqZvA2nlYKU=' 
WHERE 
  key_id = '6ed91c8408402b6591ff6f461c21b50e1f91b32aef146e9fdaf7104d0125ee19' 
  AND (
    token = 'UqA/rGhce71diFAq+g8W2gIG9tn2/4MXmqZvA2nlYKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )