INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '352c5b60b790a93851679751586ad5f8d27679f4990afc311a1e1b1e3fdf5b85', 
    'L+WfJxY84LSDKZA5ho9Mx7wSiyKh37Ebqxwc2JUqHJM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)