INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16d57463ba4126ab8aa738414b8b890282056f007c13831b3daf377c2660d30a', 
    'LPtqekG21jr89NjV0IUmQgXJUrXKPb3NbTmuTGESMb0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)