INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '52720e4273c8c34d658002a6b7ce377838282def7ccacaa41355f684d9e648ee', 
    'nvNgIgLYIABck54vNtbytPGwbkUHduexXIjZdY7C9jQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)