UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uyl2jpVqgXHlWAOBW5d+TIqGh14bp3WQVSrquo8K8fE=' 
WHERE 
  key_id = '64a03bc0ec7fa8c0f66f34b1e096fb90d4b248326caaffc7cd81478c12d10dde' 
  AND (
    token = 'uyl2jpVqgXHlWAOBW5d+TIqGh14bp3WQVSrquo8K8fE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )