UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R5yqOLVitFOtU+VZajx/kRVI1zOaLK6UkgRvLilNuEU=' 
WHERE 
  key_id = '526ba93ea4b94e0e5f8a78e97751e7cd749aec66079af58adf52f1002ea23000' 
  AND (
    token = 'R5yqOLVitFOtU+VZajx/kRVI1zOaLK6UkgRvLilNuEU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )