UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AYLKe5rPM6dIcj3f/F7Y+6mqULI0TS9Y1IA9kGtNo30=' 
WHERE 
  key_id = 'a51e93e359dfdac7bc53894d04a3af21f4d249b7b3b9ac79612bd0f7653812f6' 
  AND (
    token = 'AYLKe5rPM6dIcj3f/F7Y+6mqULI0TS9Y1IA9kGtNo30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )