UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BSnvYmIxMlOh8Ys/2Dg2r9yYm+sfbZElCzDyLrIJmH4=' 
WHERE 
  key_id = '30d6fe2ccf802d89030545ea39bca1bffc1578fa69cf4a9fb8f8c8c8f194b5ef' 
  AND (
    token = 'BSnvYmIxMlOh8Ys/2Dg2r9yYm+sfbZElCzDyLrIJmH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )