INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '53d74a6cbc3edb9d341e6483aef434f8cf4622ea5c518147058206e355f31bd6', 
    'p51IozdG13BthItsnZlJsw24m76BWYn1RHIiA7XJbac=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)