INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4f99b4d8781bb71bcbf432c8f03452f19988d3dde09994bdaace78c10da3a35f', 
    'f1IXTwG//DTrvWv9kbz5488Q5KBlS9QAL8+BM9c2A80=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)