INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '554adf4013e747bebd829dc4015d3dcde0a2c13489c51f5325863facc368de06', 
    'WDXEJTLXWMrbLnFE1U2l0FWDDS0xA5KqqRbKHuLOnw0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)