INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d39435ba6a2691b3e1a829cf17b613131fffa51bd03a70d0fa04a1eaf9bf31', 
    'aAsP3OG2WshozeZIsc+rk65MZa3rzMPRrkjH0f/IyMU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)