INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9f51af1c4e88472c9e647125e00bb42f9a773c97e1b42a1b2eb1823ec988ed04', 
    'zUMOVm4ZCEzEPcofA7TKH2yfejDIRHBofsnxm3nHk9E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)