UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PBg/ravC/kKjzj4wYtfaJcDWcSqST09rU5zxIVq2SPM=' 
WHERE 
  key_id = '3387d3947cd8b6d580eb218acc13976c09dae3b9844b890f73f36d3f023902cf' 
  AND (
    token = 'PBg/ravC/kKjzj4wYtfaJcDWcSqST09rU5zxIVq2SPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )