UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QqflR+otla3w0Shpgb6bE/zklReZfoX1uW3S7b8UlFQ=' 
WHERE 
  key_id = 'c3c91d5a030d36df56bf168c6505063a4fac8d787a41dff119fc320881f94251' 
  AND (
    token = 'QqflR+otla3w0Shpgb6bE/zklReZfoX1uW3S7b8UlFQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )