INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e91e85ee33d61013639741354941993d76c62bb25e1d87d89fefedd271667d7c', 
    'HW50FoZ83eCSfEIdhtj3r7OhMiGyvkkJ1QVez/1ThKU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)