INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8fe8cbe9a2493cdf43a8d10de99fd211091ef354a0778a17b17804b88b3eb0f', 
    'cE0aY5b2SWINj7ISnrvGW1JukXeUDxxsa3Jt4Suo9ZU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)