UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6kQ804/5KubFo9/JxL+I3kmcsTHvi43tazX2xHlXys=' 
WHERE 
  key_id = 'a6955b6201480a0a7072ac7bba14893ccaf53863c094445fa21d5004fc4d71e0' 
  AND (
    token = 'i6kQ804/5KubFo9/JxL+I3kmcsTHvi43tazX2xHlXys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )