INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921539ba0f7fe2293472b691842fd674ae8f623309002a720730b71759df1701', 
    'ECy2Vt+OcqhuZMx7zRizmoF2U2tIXPx2tT6WHrf3KN4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)