INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b1456f01c3e7982d1d616e9376561b967a720b1a88f116b90d5162518378a4', 
    'DOhvz2Xqt9OZ4fm/rVe4pJOgTX3rdeAbVU7PTqv6o5c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)