INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '312bdd9ad3def498157c6b6dae4932a678355e5ae0cf415fba429c337451038e', 
    'G6lGTCu/JQL81KR3hWhWFsvjRz9NY6oJ5CLhGJv/v0k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)