INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2251adb6e9233f0d92e69e1720476d3210fa959bedc1b0afc21d23bbb0a2556d', 
    '9vqR5duT9ZFVysDGmLH3ixfFBV3v4cE0VtvH0iIQW1E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)