UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3NZcyexZbw9z6f78kpfi5XcLYH/NgqKe6q+PSrWyRb8=' 
WHERE 
  key_id = '51f51610babdf4ba9988dc7f199df38a3b4fcaa7cb83dfe0e2c361985bdd4198' 
  AND (
    token = '3NZcyexZbw9z6f78kpfi5XcLYH/NgqKe6q+PSrWyRb8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )