INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '256eecf324c1023094922260203c66172a4c597b6071377557303c50b968adfe', 
    'YuKGLqkJAWp4GJhsPhBwAREQvpgqisGpPb7e3PNzonI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)