INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b9e7f541717be6033042b9725834d352fba4a94a96f1c9cd0310eb36c8bb0af', 
    '7FC15mu8kcCe4WmsSzP2CAk2gCEGXng4INkQ5fVrJ6k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00051

Result

int(1)