INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '746f9889535484c5dd854699f02dfa9e21d15bd33140e586f1d3f139214981cb', 
    'b4ynt2VquX0y4kLDvD9AOrk2e8OXQfSffz3/WaD+drg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)