INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cf7094bc3a5e1c92c41edfad788f9604de1970a6f192bef782a1bce2957040', 
    'md+C+PK9we4GeP9GOlCWCT1yMS8ebt++/qkiOZNuWUs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)