UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GunwP/+8mtY6zfyaM/YYQrQ6XF7ebv1fExNTfaucc2Y=' 
WHERE 
  key_id = 'e4900ea0de6a8041be4071323f3c8636cf5a9ed14a08c0c59da50529a8dedc43' 
  AND (
    token = 'GunwP/+8mtY6zfyaM/YYQrQ6XF7ebv1fExNTfaucc2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )