UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EnEC598KANiGhfo0w9tRHLkwnYjtgWYkEeBR2EqD+LA=' 
WHERE 
  key_id = '8c9d66b9959fa2353141de533cb8a81fd5f2653604c7f084db0c4b332f6c8831' 
  AND (
    token = 'EnEC598KANiGhfo0w9tRHLkwnYjtgWYkEeBR2EqD+LA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )