INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e766174edf1d1dfdb4789341d3bd2d43a0ae2341f26736a8aff34ea4a43fa4', 
    'Hj2yTUiuWmdXXxa/pZuMjL0WlZs6MGCffUASGoDrccs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)