INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '52e2dd663b5e81a43f5e959ccef6e3138932d1918d90de54101847f33b23d918', 
    'EP3XdENN5Z6dEhUU3wJ7FcZSD8gpIgK2bUUZYEfRb8E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)