INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2a3249412427a36a22beafa4da9bcc155762d9fa49d3fcea2ce1e5d82a204599', 
    'KvLsF07xjfpUQY+YLQ7oD3iKD8J4VkhHfAJvuG2EmFM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)