INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '504f88d33d0732b92b314a422dd4b048208aee129492d8f53fbe78d29f671801', 
    'ZdxhXmb94xCXlnlxYrZaRIy44eQEZFyws5Q1XdCpkvc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)