INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6391b08b1275f98d35452b7a730b9e05370a52f6c859b125b6b1272b7bbf5b15', 
    'c4Lux1njtyHEwImc84gbblfPJBxw6NSFU55SDmDur64=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)