UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i3Exmvz4LXPLU48krnLPV/UzyZqg5xrjJb7uYoDb/gw=' 
WHERE 
  key_id = '2e0f99dc01e37f4161b2d226fc4dc809f0eb0a9b50fcf78fef73de40ce790600' 
  AND (
    token = 'i3Exmvz4LXPLU48krnLPV/UzyZqg5xrjJb7uYoDb/gw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )