UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xWEEV8z1yVYxchba7Vg2GSeJyKkY+1wLv4FHUMhwYnM=' 
WHERE 
  key_id = 'd1fe8b284da9752b2b508a66a34368ea753c975d802d260d1d1c4d3ffb0ae7a9' 
  AND (
    token = 'xWEEV8z1yVYxchba7Vg2GSeJyKkY+1wLv4FHUMhwYnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034