INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd51bd4d21a0166fde2cf8842655df59a003962b5920776ce4a52c7da8c3027d9', 
    'VC85zdK5sUcljiKUniBljfFoiWEdTIX99SfNEd98zP0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)