INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '40704d3514e3d8368751c5d3662a0da24f3c2997351660d7b344075d9741dcdf', 
    'XMPoK21XaAPgzqgDDUx63QDF0O5GLxEX0n14T50K0qI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00059

Result

int(1)