UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fu5SOaNzAcNns4fFLot4jV50kJaCxrKeKhwCVXChH48=' 
WHERE 
  key_id = '50296bec0b7f7196ca30f5135dcfe1f67b207163457608cc9b8b96f86e90f638' 
  AND (
    token = 'Fu5SOaNzAcNns4fFLot4jV50kJaCxrKeKhwCVXChH48=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )