INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '840fec49dfb4e9576f2f411a86eabba74837678423f9d80947b6d980e4f68ca1', 
    '5U3cLZHuevSiKUXSAQjl6zGVBfK6dvhRW3foav5ty6A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)