UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mc77UlLkWGgP+X/Ct6pESKO5nwryaECNQpeoRAYuAak=' 
WHERE 
  key_id = 'a7686935e7dc7419765abd55dbc5abb1821e55b6d36fa2435d8a059bdce846fe' 
  AND (
    token = 'Mc77UlLkWGgP+X/Ct6pESKO5nwryaECNQpeoRAYuAak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )