INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '29ca18a7c24bd4f0b8389dde255eab6d6704db3e975d693c1e6678bbe0947382', 
    'u21i3XeRQcHGemH92lMvKwG6dhN8ttjdU8XrtDP4xmI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)