INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '621c32d3f71af58c5803b116bb3b0a51959fcbe894205ca6308083334d7fb8db', 
    'njQoTzCIr67aHp0Y/lJvCekn+7xl4XGynTidAnEOs7c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00072

Result

int(1)