UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4JRbkfc+JYCztwXLbn12szy+65RzORlxgehczpUYb4g=' 
WHERE 
  key_id = '282070904e4499d241ef5303e877ee15e8bc6a12dc98d5e419eba44f319cf98d' 
  AND (
    token = '4JRbkfc+JYCztwXLbn12szy+65RzORlxgehczpUYb4g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )