INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a74d787e2de12a6bd550dfffafb8984d3a38634edd1f30c9a6fd31a29300664c', 
    'RHuXKf9Rmb4tEZthWYKXXRE+go3JPVQiAbpKIfV8kwI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)