UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V6VZ0CPiNi7EByuoODjxAEUWHh3YNJCkpbsJCYVKSA8=' 
WHERE 
  key_id = 'c4aa21f56adb777ea79137928d5cd236a6efaa3dac9c377c707dd070781e0978' 
  AND (
    token = 'V6VZ0CPiNi7EByuoODjxAEUWHh3YNJCkpbsJCYVKSA8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )