UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MnELbKZNOYfLOJY6uS4IyDfc/kkyMMVhbpvgvEYdCr4=' 
WHERE 
  key_id = 'd1d7dac3c96e78b2a2499d55d0ad2bb0ef86d292cf76653dc7031020a9b4be32' 
  AND (
    token = 'MnELbKZNOYfLOJY6uS4IyDfc/kkyMMVhbpvgvEYdCr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )