INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b784869a8b5425a332834b5d705999d82a30e22c36a21c0cc427ad3029e79d53', 
    '81V7Ss0pFHh+huU8ziVuVapw7DeezqPHkeMrvzYha3s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)