INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f21ee35c79eca424f3463370fa1943bbb7ee4f877b3af28bc500093cafd51ac', 
    'azAjUNluQkgOKNG5D4dTWIulj4TulmwdV9Awg3H56Vk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)