INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1438299b7110d8cb0d9da7da7cd5251095765cb7f63947d516a37a55f73dc2ff', 
    '8s2sPxXbHhXj4a79DVm4qlo8FVSHlO1QK4v1wTMa1jw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)