INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6437bc2b3a7d90595af9633b5c5e40d625c8fe3c719572e71c6389d9cf2c153', 
    'a3DRL1gDE3qxgQQjpvJ5vIU9X4kXl8TB3mVU7c1UTOg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)