INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50e5816392180710f3019675fc5b3db30459703b3bb985a3a40920816adac463', 
    'UJLI4DURl3bo0pctiYfon9pUeyZOTJ8M5SQO2Bf1/v8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)