INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5256d1d39f330dab61724c106e218f841760f8173c7fff34290426b75d4ef009', 
    'U8tM2Qn0ECqfBUht/7wMzM6hgrVGMQliPkllJGi0VUo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)