UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zNx/NToq/zFee/w+5xxhBwpBxJfZSpicTJqh74OPgts=' 
WHERE 
  key_id = '7819ed5b7c63992a299ca8864edcf509805ec09db5283c5dea5d8ca8064c4775' 
  AND (
    token = 'zNx/NToq/zFee/w+5xxhBwpBxJfZSpicTJqh74OPgts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )