INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5389b71fcccc4f563a0c732acf0c28c4868ef77f0cc87de4c08d206d5e419961', 
    'cp77oTgx0aiCUV7eNPFQuiwC9hJ2Cooiv3jkZvVmbTg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)