INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51e192fb534167900f00269f761cc0db48c39f1b7a3dab57254096f69fab759d', 
    'Ekh9IcSPprRahaxNaOXQbLD2vDV5j8F46/gFv9h6JVE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00017

Result

int(1)