INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1b8ad35264bdfa2c27c25847edbb16a80adbb4a13dc09b2ce5426b499deff7ea', 
    'z42jEuHHSsV9d5kXJMfEQNBPSwO9iXnlalRiAEjHmPE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)