INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ec95c334531b196ca9a9b181bf5e6a4714016c0259b50910942bd5c5078cd5d5', 
    'PG2S4Za5uC6lfzkWn1ju/hY8Gvu6d4hsRZqcY0rDXSY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)