UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w+C1wmrlpBkqdYgImPxRkZpUAXu5ib6PTiwXuoHpYm0=' 
WHERE 
  key_id = '51360a37318cf07e6c855cc581bd2a803220b6e857a9782407f69abb8959fac2' 
  AND (
    token = 'w+C1wmrlpBkqdYgImPxRkZpUAXu5ib6PTiwXuoHpYm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )