INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7a81f449d917bdb1add3a6a991d17359efbfa9d3f9039791c1f474cd46734431', 
    '39FPtBKq/bGBcAFoZ0TAFitC4QC3/iJhBT4qGTQ2Bj8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)