UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'xKVC4PIynvlghjqaaZ9eonRlJ0Gd8eQeYohlaF+f76g=' 
WHERE 
  key_id = 'b526e523cb561f2608fe29a9aa76895ed36299fd6769b2f0ea5a8aaf992c4874' 
  AND (
    token = 'xKVC4PIynvlghjqaaZ9eonRlJ0Gd8eQeYohlaF+f76g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )