UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't4jzn21DgPMr7tb8rAm1EhoWIQooVkHAKyIgrjo448Q=' 
WHERE 
  key_id = '6dee0b67e21086d04395d518740520979989a9d5e6edb56b942d9aeaf6ee1896' 
  AND (
    token = 't4jzn21DgPMr7tb8rAm1EhoWIQooVkHAKyIgrjo448Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )