INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6ee8765875120cc2dc7c9eaac904aae0091e49db5b2b9c781274eea396a71b6', 
    '8hxm2aRQpQespIxUE/PVEJDb1DrgnM6ggWMTb2X3SK0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)