INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39e7303e0eec480ba60e488197bf7d50c980559902a7f85d0809ea05e798781f', 
    'rl75fE9KxZuGZ34bJL2KmPLuvneddOg+4X3bzELPTYY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)