INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39670afedafea816c9b9b4039b0530513fa4b2a91374c838fe8ce9e9f7eca3f5', 
    '7wTTQAkKEkbWcRS2iGk0d/T3EIJfWAOVHlktZ+rucU4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)