INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8b855c816c63febc166f17aadd741d608e6fce6f2e3c5424e261f0fe7898628', 
    'BljDB0o2khFE6HLdKs//3mlarwcglhgV5Z91YTs0XNI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)