INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c255e8aa4cf53a1ad0a7569dc950460c09e96a5b3a6e0d20895e316c9845b7e9', 
    'u70+MEjZPDoNbILojazotkYDWAn8U9WmoRBsa8jl9Pc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)