UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ud2umrZvuCrQpEAXQ0fWjFDrLeb0bX1OtYhUmxhqSus=' 
WHERE 
  key_id = 'a6832769d7d0ab27ba9b46f29bcaa3ba8c53f00c60c2b617ea28ebbce086d6fc' 
  AND (
    token = 'Ud2umrZvuCrQpEAXQ0fWjFDrLeb0bX1OtYhUmxhqSus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )