INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '248d59c39fb3c8d57ec6648a2c1b9af234391d77cc26ee9fd02cdf4f2d192f2c', 
    'SB3VNnzTl1Z4RT4YTBABiTa2MIMQGe7ODmms90By0QA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)