INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6aa2274955ba736cb896e110f863cc40f33d095378f7cf6d570fdeb9487adf5e', 
    '+qU8osvbtEvzZuYXCDchlYl48Kc6GPbfui6Myc0z+SM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)