INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21db9d171421a913429228b4b26e6c7cdb55c28dccae4119373bb5a16d8a51ef', 
    'j2+dyVL8+vVgA0jeBYK0crFechQA3sWJG0LyBT6NEfs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)