INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd427c87245da3ec6b2abdcf061c36f904a29e23513fd1e82b700ee6e9572ec62', 
    'qjcAFKs3t5s2omEqaTthBhpllqouWB6nCgSW0K/adQo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)