INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e751ae9e71221e7f31ab800b699fbeb853a121edb0a0fdfc6d2b86edb674a16d', 
    'ky08UxY11sAifbqfKW+D6z6k5rqXocos0iS29UlmFJA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)