UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wHYqq9hbXJW/elbogMcL/DhAI0cLG9MbRAvw+I2w6SI=' 
WHERE 
  key_id = '4a8ef0ae70788f05110bfd07093b713d1c88397026ec18d96b02bcd4a7da6b78' 
  AND (
    token = 'wHYqq9hbXJW/elbogMcL/DhAI0cLG9MbRAvw+I2w6SI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )