UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7TdIvaLpqpc2lTKwIoMMla55LpiKNRP6JF7VeYAgAJ0=' 
WHERE 
  key_id = '4e79298ff3e9105a06cfb8e25c18dca18c8add6bc4f5fa8d475fd154e7199435' 
  AND (
    token = '7TdIvaLpqpc2lTKwIoMMla55LpiKNRP6JF7VeYAgAJ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )