UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EGP4Z4+1LK0VvBtLIzRalrmkxe0YmcbWuy76RUHjIbU=' 
WHERE 
  key_id = '294f77cec1dfbb5536346976f57e00e44a90d40cc2db19e778d5593c6ff8d844' 
  AND (
    token = 'EGP4Z4+1LK0VvBtLIzRalrmkxe0YmcbWuy76RUHjIbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )