INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '473926506d3bf3c8af0fa918d42459c72ba28f99019d18edbb16c1fed3923ce3', 
    '8HnveVGsWhEvQy6LmadSKbNqyPEELhBL0M7eGI51FbM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)