UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zKzh5XWio2OA2Aa7nmEY4h7GpfmhNDyXu2QYkbolaAY=' 
WHERE 
  key_id = '994724e52fd70cc0ecae4bc5ab108832598ef3228619906fc1aa26fae3932710' 
  AND (
    token = 'zKzh5XWio2OA2Aa7nmEY4h7GpfmhNDyXu2QYkbolaAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )