UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kWd51LbfaZpr6S4wXyYPRqqC0ngKGcXP5qORITB+ejk=' 
WHERE 
  key_id = '2ca4812e36c095c6d6b815f5c524e3bed40b8a63d03141b9125f5a9822e40a1d' 
  AND (
    token = 'kWd51LbfaZpr6S4wXyYPRqqC0ngKGcXP5qORITB+ejk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )