UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZNCHrwM7A6n76ICj38lfOhiQmGxIbv9YL7GE8oLYhFU=' 
WHERE 
  key_id = '4dc8e2bad6aae663822adfa2b9d20383c24cffb34f1892ff688ea0b4e0b9b4a2' 
  AND (
    token = 'ZNCHrwM7A6n76ICj38lfOhiQmGxIbv9YL7GE8oLYhFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035