INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c3a9c15db51b924afb595a40dbb60fa746aa9209424357058618020807ca012', 
    '+B+J22oF9MGVu0fS6GUmynBg2UJ772RrLCKoTFlrmmg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)