INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50488ab060a5a2d2e890ad18a7950684e41de887d21a558f063dee2ce32b88b4', 
    '/Myw1i1piY3DmgRi4L7lNADawrcPWEBbeyqle3gxUoA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)