INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '251cc51b0c6788ed158015db403e8e588dda2f57fc41adc599bff3b22b18fdf5', 
    'a6t8D5zjP9dQN0q7KrS9Bq+czpSmA+QxH7WQBlBwUYE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)