UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uTztoLU7TxfuIop/eBWL2ThuG1zWjd4K08nwRwgn/ls=' 
WHERE 
  key_id = '51e4cddde226d329485c360895279fb48f6bb6c5e1b699c60fe3b59a60d847bb' 
  AND (
    token = 'uTztoLU7TxfuIop/eBWL2ThuG1zWjd4K08nwRwgn/ls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )