UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rEKlRYanU5tn18X7FXvjOKhy99lHt4O3Lpv//VdvpVM=' 
WHERE 
  key_id = '29af347197db3917e107c5f8414983ff638fbd31ddefc6e257e99c91bb04b775' 
  AND (
    token = 'rEKlRYanU5tn18X7FXvjOKhy99lHt4O3Lpv//VdvpVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036