INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b027e633ffc7922852898fe19be306d1b2eac53e3e2900cbb48f0e8c71c1548', 
    'MEDhhLtF5hJt8feV4xTpQwhVsnZB9pKlnQBiA8JuEAw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)