UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '83EVtBownKJxaYmxXXl0xrHstexKUgifRfodmk9aapE=' 
WHERE 
  key_id = '794dbc3d1f965724fbccff7d5978c2c3327548cd124aeca09de56bf8a3231208' 
  AND (
    token = '83EVtBownKJxaYmxXXl0xrHstexKUgifRfodmk9aapE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )