UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QB9XZfsY4plf854SEggetGPn4yzdXnQFxknOfqdlY6Q=' 
WHERE 
  key_id = '5f8d4840317372ef2ba36d4269e8d27036a946bff602df4695479a3447cc41cb' 
  AND (
    token = 'QB9XZfsY4plf854SEggetGPn4yzdXnQFxknOfqdlY6Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037