UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rXhFJu7ztJMMdvtFnHWcKyhp3k7FtTESlC0E3rbDSXs=' 
WHERE 
  key_id = '6ef45d9b369009ff855c4c97d91a1b499f2491a5e17402696b2467fb0a5ede69' 
  AND (
    token = 'rXhFJu7ztJMMdvtFnHWcKyhp3k7FtTESlC0E3rbDSXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )