UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kvj8Kr/9XktBaQ+2vUg6yX/N7J4baLCd6b0xn3e+GeY=' 
WHERE 
  key_id = 'c51c70826af6ff0fe9c030de94b6b4015c0c7a5a01151415c3e10ee0e9a12305' 
  AND (
    token = 'Kvj8Kr/9XktBaQ+2vUg6yX/N7J4baLCd6b0xn3e+GeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )