INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1e0c92451ec0a2accc33c28d2c0a66379b00b56b70f0ba46996ef14242db4c21', 
    '5YEagnIOr7O0R9gTyd0SiQSLEEzEGSEuT+jT1SInzm4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)