UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lYRL2m6TdzehjNAqARAP2/mDcE26dT06xYx7Jd4fCJg=' 
WHERE 
  key_id = '520b8041e291bacac9c8dd81f7041c070f4d6033890b4de0459362a6cef97ef4' 
  AND (
    token = 'lYRL2m6TdzehjNAqARAP2/mDcE26dT06xYx7Jd4fCJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )