UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XmPgWqryiLNNdTKG94/Uv1sRpYtkv4xAgsIira6JqMg=' 
WHERE 
  key_id = '756d089a053f0e3900affab92499801d9c0096885958b672b60fdab5ba8d4716' 
  AND (
    token = 'XmPgWqryiLNNdTKG94/Uv1sRpYtkv4xAgsIira6JqMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )