UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mr/9geV5QX5A9pC4vSzFrr6hDcfx60vP/t1FLLmexr0=' 
WHERE 
  key_id = '815851629bd0405455fac5af53c2c7e9e2981f756453dfd47c751e8cd8def9a9' 
  AND (
    token = 'Mr/9geV5QX5A9pC4vSzFrr6hDcfx60vP/t1FLLmexr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )