UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PMxVbUH6o+J9Byyd9m09ZBauFy4gjWtZPaqszQt3nrc=' 
WHERE 
  key_id = '1ce8e8a069b251991ada73dccbb6b2efbef7e0dd6b344198213547302b62940a' 
  AND (
    token = 'PMxVbUH6o+J9Byyd9m09ZBauFy4gjWtZPaqszQt3nrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )