UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Jbkgj+SzDWZBBgQTP96/DkrGnLdobE6AxU6edrPRrM=' 
WHERE 
  key_id = 'c0dd93e93b3e07204a4512580645895b6b17961228a97e1b41e5a8b89582918f' 
  AND (
    token = '6Jbkgj+SzDWZBBgQTP96/DkrGnLdobE6AxU6edrPRrM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032