UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xbi9zWG3fdx02Uzk3mJVicehnnbUC5eyq7kFzfPwcQ0=' 
WHERE 
  key_id = 'e142f9a5b0de465560777a46894db4b3949736ac057659f54ac67f4fdd960a12' 
  AND (
    token = 'xbi9zWG3fdx02Uzk3mJVicehnnbUC5eyq7kFzfPwcQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )