UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i7xrd1kilvG+o2F0HMCfTu2SCpPEiIx/xgFhX2LtZU0=' 
WHERE 
  key_id = '54ee7bf4b6249182bf7894f18393f1351226c51887822b3c93cf1c4203123f2d' 
  AND (
    token = 'i7xrd1kilvG+o2F0HMCfTu2SCpPEiIx/xgFhX2LtZU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )