UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zn7LNjDOXJ/V/EfzChn5HKDWpllz/CtW3sqw6xgLHrw=' 
WHERE 
  key_id = '42da86f56b0eabbecc1256c7e75e7b8877547b4763ad62bac0af92cbd5675690' 
  AND (
    token = 'zn7LNjDOXJ/V/EfzChn5HKDWpllz/CtW3sqw6xgLHrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035