INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '470b21eba0efaa3746420b018f696d37bf5b3721b76dd5a1f6ec47df86bc253d', 
    '5AHwav0N6FeqRVnWrtl5a2ZWFKYyEmp9qbI0GsbpnhE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)