INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '251465879c86756181f9708630fc1c21984388231f8f95c2d6d02136ca7e79f0', 
    'RWDoY9vtBgMsbtU1yADXTmX2+XvrXrprsY1T/jGPJzY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)