UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4W6K4vKDi34sJFjgOtGNIstAFsdEX3r4p56eNOrYMUk=' 
WHERE 
  key_id = '2bd15a75822fe6eb569832262c82d7c444d75ed54c2997f95a59401367248a8b' 
  AND (
    token = '4W6K4vKDi34sJFjgOtGNIstAFsdEX3r4p56eNOrYMUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )