INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '835f590fc4ca85a4b967b956870123275bffeb219a43ff9618496873967cfc14', 
    'qguxtrwpba3u+QtgykDlFxhO6kSEUfxxinJripz4muU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)