UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kS2XewYq19cQ7oQeUCUgOltP/yL4+VPZe955mlp2tqA=' 
WHERE 
  key_id = '6f8e26645608d1bb6dfcb5c2e45a5e9a0621e33e9183657d407b8515fa7ba7ad' 
  AND (
    token = 'kS2XewYq19cQ7oQeUCUgOltP/yL4+VPZe955mlp2tqA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )