INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '38c6f4a03fd28584c380724b7770fe7a6bed42973be87a2909d4e4cc74776ad4', 
    'sw0o7poEZrjxcdHS7BXP3ubEZ27mNbnD9cFQj9LSBOo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)