INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15b5f334d79fd5e321d3567a1f808812cbd72ce331e369fedd40251b026ed32f', 
    'fxNh2cHxzMnXZFTyBABKlff7CQiGcu7Y8bwQRMiUNy0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)