UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gjBTbwrP0TkqAqaYMmtofQfBKw5XO3UAyEljjtk7/I=' 
WHERE 
  key_id = '833081590bd79cf93a5abe2fd8f2b1dfdd4e5da1fc6ccb4481f60821ae1988f2' 
  AND (
    token = '6gjBTbwrP0TkqAqaYMmtofQfBKw5XO3UAyEljjtk7/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )