INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e891a9c30ecf1242ac68931372f37865873324893255888d79f713d1b8b8e38', 
    'pAazUuH2oEj8xWtn6PGUZe00fwElKVFoQzUwtopyzTM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)