UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gXFwxT2nIZjV/tb9xRg/Nng6UzuumsC54TyqUL0WIH0=' 
WHERE 
  key_id = 'dcbb760a3df4b6cf8efeb5b6cd5898f5f55176b8f4dbdd3b475ff44496f70944' 
  AND (
    token = 'gXFwxT2nIZjV/tb9xRg/Nng6UzuumsC54TyqUL0WIH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )