INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51cc51703eb8d248a4a49852a196dec56086f359937b1e4573befb2e84a0966b', 
    'v4CovWgfWuuymorRv4zH0EoWEu8CcKMFv1EPxXieh5I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)