INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'bf6728a7a28107a95e4faebc3848ab697e467f966498e9aeab3731b4e78af378', 
    'gBkxz7jYLPJ8agOR0iIgk4TPQ+ZIAMVQTAMw0Js0Tss=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)