UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a+12ACBzIM+NPhgRsU91VkunauBxXwupj4DidkbtZk0=' 
WHERE 
  key_id = '3e40f52f2cc77091b14575207cb0ffb12547ff3cf77cc639c174b2f755b5495f' 
  AND (
    token = 'a+12ACBzIM+NPhgRsU91VkunauBxXwupj4DidkbtZk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )