UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MY8f71V4N683pKoBP8qtZ8QiVal7I3q4rjDRRBsmimw=' 
WHERE 
  key_id = '17d8849e53815bf811052d187556429e138f51e7b11e2f84f81103770c7596ce' 
  AND (
    token = 'MY8f71V4N683pKoBP8qtZ8QiVal7I3q4rjDRRBsmimw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )