UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5VzGCSmX34l/e+6qdwobxbMIeXPhfKCJeUyX8An0T40=' 
WHERE 
  key_id = '2a9d391654c83ca70af9216b381361e698eb05ab99f2a57ce2d7f09ab8837f25' 
  AND (
    token = '5VzGCSmX34l/e+6qdwobxbMIeXPhfKCJeUyX8An0T40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )