UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bLxR6pcjNlxDeiXFio/nTvg9FH4EgH2JkQP0iiPR1PA=' 
WHERE 
  key_id = 'e52a2415b5da9dada9e97c7409527776528d6e7a2c69311bd6a87f24afcd3ce8' 
  AND (
    token = 'bLxR6pcjNlxDeiXFio/nTvg9FH4EgH2JkQP0iiPR1PA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )