INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5a1bbb698c598ffc3f457e60493d6636ad7f5825a6e17b7e2211e2b82762019e', 
    'kK6iphyENrKotYm6tRbWqJBu/foW1GWgjgiKsxkgKKc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)