UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z3/IkTpQyukZXK9g7yjrx6C2gZUouUqvQKfYYMMEDDw=' 
WHERE 
  key_id = '451f1975d7288c26535e425589299ce5c76a6808f1445db4ef9df9002901658d' 
  AND (
    token = 'z3/IkTpQyukZXK9g7yjrx6C2gZUouUqvQKfYYMMEDDw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )