INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b51a3bec55ff98bb4e201905dce89032a3c40189936730023f9f52208509685', 
    'qpcexnhQPJSD6qDBVdmLcTZIuP3uNLS3HTwsbK8wbxc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)