UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fl6CZCGUtKOHbgCeFy4tiWHFLur3LBa+fV47DdVPq8A=' 
WHERE 
  key_id = '2fe8d266c9921276a65dc280ce8f38557989783a7c6acd8103e08111f629429e' 
  AND (
    token = 'Fl6CZCGUtKOHbgCeFy4tiWHFLur3LBa+fV47DdVPq8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )