UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2gXPw1WDwUig6WIpYhkcX6D2xt3gKbD6FQmT6IlKuyM=' 
WHERE 
  key_id = '82834bf86c7c1cfa989c405bacaa920c0b458a0b9f2a09d808e87970035f3044' 
  AND (
    token = '2gXPw1WDwUig6WIpYhkcX6D2xt3gKbD6FQmT6IlKuyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )