UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U3eD8aAMo32zGpq0smw75OMS0Mz6gk8UjhgfXepXLmU=' 
WHERE 
  key_id = 'c6468486bd0492c4891dcfcfdab501afdf3649d9e277a40ff607ffe2e4c8e6e3' 
  AND (
    token = 'U3eD8aAMo32zGpq0smw75OMS0Mz6gk8UjhgfXepXLmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )