UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p7wgG2PABeiGf3h2f70P1JHilHrvChj6W1z7m7K7mUM=' 
WHERE 
  key_id = '51212397907d30917e880777ac9695ef462e43b62fa7a9fe5bdfd47eb28ec102' 
  AND (
    token = 'p7wgG2PABeiGf3h2f70P1JHilHrvChj6W1z7m7K7mUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )