UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rn5fdvpkfIX6XmgMneXQB85GOPnCgdvSesyniB1/bQU=' 
WHERE 
  key_id = '09593492b78f33ede17ed68fb8d920dbc42246239fe538b8a246e709bb5b5798' 
  AND (
    token = 'rn5fdvpkfIX6XmgMneXQB85GOPnCgdvSesyniB1/bQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )