UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gs/KDKbSz4dR3ci1EziCF4CCRUriVOXdUXYrfN9COns=' 
WHERE 
  key_id = '204496de5e86cb4f8f58ddf747c5556cf8956c79d4b487b6f408e38226fa9908' 
  AND (
    token = 'Gs/KDKbSz4dR3ci1EziCF4CCRUriVOXdUXYrfN9COns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )