INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6994ca18dfcbdb3853d8f095d07aea609a81228f61ca1ff747bc5d32a0518122', 
    '7FdKQk0NkJPiRARrAoqWxZPUWNT+K978cup8GstA6kE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00059

Result

int(1)