INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '843966c74bbdd737aa9b63cef17d7937d0b369127169379ae967d2c6341f6ea4', 
    'qul3FsH6WIoxe8IWM5qI1tAJNEpQYY/E0LMUJlfYJ3I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)