INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c391d8fe51539ce7ad3e74237da21a14afba48e35e01e50071a18ea9e34278b8', 
    '+ZqqTFzzHDtGpA0kZAQFHgzUQfeKNnKKb4yzHqmKNew=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)