INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '521d68f9c640078eed0a3e1e23dbbf9dd1beaa30b9f162b829599ffc7a2ba324', 
    'I6kBbHE44RilQuVtIffz/PZe7elwod8RZ4vO/t2lvkM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)