INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39d44e7035c755ce85b2963929edb2f31f626584e1b98417177911547fca20f4', 
    'QhgTVZ1E9tbBO4slp5H5vkjr4sdNH35KC3QaKofFgHM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)