UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+rFm8x2A7HMWuJ5h5fShh1vCOZI8ZvujKw46OFz6gXg=' 
WHERE 
  key_id = 'b40b4e153d7e213501ea16bbd40e5a251188c54b496b987de53060f867270574' 
  AND (
    token = '+rFm8x2A7HMWuJ5h5fShh1vCOZI8ZvujKw46OFz6gXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )