INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c9628c9137b54fa5b257e34e30ad29323446ea8dc0fdd4e79242fb0ecd971491', 
    '8wv0Z7283QFydv2IQEsFivHvTzrRnUIJ714dse8ZWrQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00057

Result

int(1)