INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c6671294517f16f8dffc736e6f3265eb85b4cbf185b92968695f78ba624c15', 
    '6bjpffXjDJX0x7/vEgCPdXokyWtynJBBf3JXUInqhsA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)