UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm+3qIbBvGeWevUx10XrPrR7rB5zsBVyF5lfuGUMBFJc=' 
WHERE 
  key_id = '6c2b8a03d1b25706d79fa93b89d7403fea991582024af3a2c23272b7ca377f51' 
  AND (
    token = 'm+3qIbBvGeWevUx10XrPrR7rB5zsBVyF5lfuGUMBFJc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )