INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a821ce1329572b199c7eae5003e6c0c832e0c15d137f9307694095b6c328e913', 
    'OK6gtv0+OwFrbLIAhD05JbxVF9zq+nunUkMWAscJrdk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)