UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CHdAmLurljJ7lb3yFUcqkhb5xAEP0IrA66v4BSBronA=' 
WHERE 
  key_id = '176c43e40f7a0091a4a98595f237b76284d7b5df47cf42ef632d935eafb23196' 
  AND (
    token = 'CHdAmLurljJ7lb3yFUcqkhb5xAEP0IrA66v4BSBronA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )