INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4f776e3ad881853d8d08de46d895a9051357914e104665415fd0bafee97a3131', 
    '5ZpFn0YZmtgjA3uJoEDZsKp810NgBN2YsKDPBR+1IPE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)