INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4a6b21b5555bbb26179459eef8aae97e30500b5b2ae54cb0bc955b9c82e4d891', 
    'S5u5H9KkaW6iQ1Vaumx/X0UOsTP88CnebS/u0uY0lBY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)