UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd9zO57YWkk5JIQGQTnHLnGVtmGu64AszR5TW5skIMQ8=' 
WHERE 
  key_id = '6d8ae977cfad47e0c03a4cf23256fad4b382f4ff2dc538387118789b582d5fe1' 
  AND (
    token = 'd9zO57YWkk5JIQGQTnHLnGVtmGu64AszR5TW5skIMQ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )