INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '38f21312cc9a39637c5775869fe7fa03d8079c651124384c0a1712d0cc21b75d', 
    'iiv+oIzKHJag56T3d+2LXmptOaWgFL8T3Eos7YY1oJo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00343

Result

int(1)