UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qWW6/obd3vYt2pCDfPYHvSnA0F4/ySvbrhcd22w6kWg=' 
WHERE 
  key_id = '6e81a41b993c8b21657f746881985aa55e183c414e95944f88340fdcdf80554d' 
  AND (
    token = 'qWW6/obd3vYt2pCDfPYHvSnA0F4/ySvbrhcd22w6kWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037