INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b21c14c4d3acab5328711ef21e860554124e0eba4ffd712c9316eb9975e4494e', 
    '5BqFeFNoZ0GWow6puO1LTeAuvDtWkoNaTqudazuETow=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00072

Result

int(1)