INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1523b1f2052096b94473e3328b98fa47e88db688a411870ad6d4d89c9aeca08d', 
    'rgIBUBnyiSQtUpq4tuyT0mrxqsaJdsh7YweCFcLso0g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)