INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f15b911e4ca84908564dac7e0f66edf7ab35d740f5368221355584e88a3e3559', 
    'elkg4mB6WF4VpfQz1SUyHn01H5rHS00w8n7x5JL/dGc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)