INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd750ea81602e90d0154755e05696e3620b21591bade66d3b2e66e445c51e1135', 
    '98XQXM3MwVp1+A7adIQIrVCi/NOivLcGMCkVmbfP70A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)