UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l27ulQb5JLQ/4cpV7giRvBd/kE965wQxw5ANahtqBxo=' 
WHERE 
  key_id = '6792aa51bb145b368964f35f9f2dff3e8d34e06323da84407cafdf51573b0a5e' 
  AND (
    token = 'l27ulQb5JLQ/4cpV7giRvBd/kE965wQxw5ANahtqBxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )