UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6M5PNhJWcw4aOoj9afpdKHOJoSS6aCNzjwWwVY5xSo=' 
WHERE 
  key_id = '3a280df62e90b3bd8e4d5bc899c13fef0e515e083592d035deb3ca80dad59978' 
  AND (
    token = 'r6M5PNhJWcw4aOoj9afpdKHOJoSS6aCNzjwWwVY5xSo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )