UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YYaNjtBObFg+XquS+nm4LYNF1EQMDyIrH36lSKjlWuI=' 
WHERE 
  key_id = '39a8b3f33b7f664ce19c912245a5392a5522e98d4d7932c7dc85f1eed3a37a7a' 
  AND (
    token = 'YYaNjtBObFg+XquS+nm4LYNF1EQMDyIrH36lSKjlWuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033