INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6a643a36d41ebc99592407cb4b16997b5dcac491637c8af6901972453fa3876a', 
    'rQTAs4jz9SvbeSdvTVKtYM3fIoB9dcXSpsP4qdn//20=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)