UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ouhxKnvcqw1JREn7chkstnX+PlCUxRcHz1crfbe3Hhc=' 
WHERE 
  key_id = '91d97b8f7e40759c700b58ac35d1d47050a0246795b79685065d1b3aa4a45fb7' 
  AND (
    token = 'ouhxKnvcqw1JREn7chkstnX+PlCUxRcHz1crfbe3Hhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )