INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '540db56d1f49dd15b50b6f4180e952dad284767980536014c2fb5deebe89c12e', 
    'MkDoqEZnEE1Bh8BFxr8Po8RiB7UowyGDAjCPTLe2ypo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)