UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wk6ksD6oqV0jmC13sIA4/9KYCf0sqOuxABG77Vy5om0=' 
WHERE 
  key_id = '51c1c2fd1e664f553ae3622235b6f204aaa525027574e7f742f6a62a3cab697c' 
  AND (
    token = 'Wk6ksD6oqV0jmC13sIA4/9KYCf0sqOuxABG77Vy5om0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )