INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '812cdc5bcd9d84321a18179e46262424471e4258fef4da7a51dff02b906604e5', 
    '29UlKLApXR7oIW2iBAaq7oOMw4IxjjZoh9N2ELAKigw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)