UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eVZhdjAlgHau55zQCJOn3m1QsKdFUvlEwranWHMCpzo=' 
WHERE 
  key_id = '91bc120ca801e0b3d28e7d35c2e53577dcbc0640588f5934955e9e48b3d74063' 
  AND (
    token = 'eVZhdjAlgHau55zQCJOn3m1QsKdFUvlEwranWHMCpzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )