INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2b21eb221ed909cd55f5f7b41c580002e8705655d6b523533f3b9d0858f08884', 
    'CxHk3iikhKPJRGP//2k0T3lDVRbbzXKBhVtrDTlJXMM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)