INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3ef30a8cb8eedbc7ea551979aa813dad6d2e99b6150d6384303ac79950a4bb6', 
    '6wXWYMaeeVB1N8GQFWzJWASRWIeB6itTo6hmL/cMmPM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)