INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4742cda8f26b74735e4d0c58743c5257bf2f91a0733a0847c55c4f10327d8798', 
    'QyT+D+rgK347DlklZeumZ2gmI6t9ZR9vFmewNS2AIdU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)