UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm15NGNdfAiXekHzNhFflE6UNNvj85pY4nqRpvuvyhBA=' 
WHERE 
  key_id = '168596af0a186499b672c5832dff8d719f07403eb6773d24cc6d8d08d977e0bf' 
  AND (
    token = 'm15NGNdfAiXekHzNhFflE6UNNvj85pY4nqRpvuvyhBA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )