UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6dQ1oCS3xfu0j2zVYHWrimcx4X3wmyZCMMhJEMYBBrw=' 
WHERE 
  key_id = '7cbe7752eadaefd46af8da7bf29635b5262fa70714461ab5095181df00e2a1d0' 
  AND (
    token = '6dQ1oCS3xfu0j2zVYHWrimcx4X3wmyZCMMhJEMYBBrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )