UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wR4pFbLshdVaLokVUGzWCxYN0iHHWtWCzIaxrpeeets=' 
WHERE 
  key_id = 'de21c4adc13d8f3402ae281bc435ebd9c6759323138b6da79c7504764e669898' 
  AND (
    token = 'wR4pFbLshdVaLokVUGzWCxYN0iHHWtWCzIaxrpeeets=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )