UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l0vXMABNOO9I8PDb6UvCrz0zWYX8pd06pIVwrZLqDVs=' 
WHERE 
  key_id = '546498c75fde797a3bfa897d2e31bd32a13c70822627ed12a665c0f1b3f74359' 
  AND (
    token = 'l0vXMABNOO9I8PDb6UvCrz0zWYX8pd06pIVwrZLqDVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )