INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b6a00537a37c65b2c94db485487d7f834325e024f1916a9dcf4f9b5ba85c9a0', 
    'N97Za/2Lx9vBZT2VVjtHucp9IF5zrmZZn8L7lJkie/E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)