UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'isriiSklacDY7BfJvsgTXfPrO9YRaSM6o8rPAq+GOKI=' 
WHERE 
  key_id = '76aa2f8ca5c4d37c1138aec478b8db3cff4a7eda9e563c9957b9cbf744aeb799' 
  AND (
    token = 'isriiSklacDY7BfJvsgTXfPrO9YRaSM6o8rPAq+GOKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )