UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'viUWnSlm0WvuMWsvd3YIwgWskvKjqwpMQRFb1aZVeK4=' 
WHERE 
  key_id = '3e5fa2b49865f5d3708484489726515d5b2a03153959da7995136be6edef96f6' 
  AND (
    token = 'viUWnSlm0WvuMWsvd3YIwgWskvKjqwpMQRFb1aZVeK4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )