UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VI6j7cdpHS2Pnhk76rDazqpMtJNDT3C47rZI8OpVEqo=' 
WHERE 
  key_id = '6b8b044db955aa0648855db3601f5fa13691635e4aac5348d681620a8d6bc5fb' 
  AND (
    token = 'VI6j7cdpHS2Pnhk76rDazqpMtJNDT3C47rZI8OpVEqo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )