INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21240454c1e6ac2ec29947267cd8fe002543921d717f891173706e5d2985e37d', 
    'hIsioDZURuFkV7AH+9984CO7ncS8aD66B8NqArTDX2Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)