INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81c6153d30e1fafcbe825d869d50e0dc93e19d46f378fdd6a220dcc75dd3ab0f', 
    'rMzxZ6pLjUQODHl5uFLGOFqBMBYiOtTvOo0CHZ4eioQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)