UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dBU271YoLKjeiKge2zV1BFPzqlaUdgqbufVRy/FTEqY=' 
WHERE 
  key_id = '302f8fb90af8b51f826d567749bbf768dcf650b0d5657d6b40f18a2587e773c7' 
  AND (
    token = 'dBU271YoLKjeiKge2zV1BFPzqlaUdgqbufVRy/FTEqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )