UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8bvC9JwmPiMhu0BXEyfaZYSxUh0Dug8mP42iWQSgW0Q=' 
WHERE 
  key_id = 'b2ffaca6b0e756520f67ff6bfdd2f8d50ea3531e984fca096d17b29b74eef31b' 
  AND (
    token = '8bvC9JwmPiMhu0BXEyfaZYSxUh0Dug8mP42iWQSgW0Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )