INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7a7873840b49de2b079778953d8735233ef184e2d7e43a468cf75a172777478', 
    'jM49JNNDcqSaYRr1fBr4dtw7DkYjvK++YqeVg78AeCI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)