INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7f9b5347559d85ab00cf6cc9f7c7a6993b0c343e3b405ac60ef6096308f8b73', 
    'MUZk8/TxB718rCx4OSt7Otofjw7R88YruJzfZSNTHkE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)