UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gu5BscRbe8BPXHns5HcAKKEJwodPRbow0d4vene7Z6Y=' 
WHERE 
  key_id = 'c736f7e7fe30e3b5b3e9da689af463644eaa00998f712634f16ac4ab7eb32082' 
  AND (
    token = 'gu5BscRbe8BPXHns5HcAKKEJwodPRbow0d4vene7Z6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )