UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gSgekjIxV8+zGBuWV/e9+CpwVBZPpv9IdDwdrqgWqcw=' 
WHERE 
  key_id = '39839bbf7aa478d206a6abd0d2c3aa1ad61407d0d95b2259e76967a74f69ec50' 
  AND (
    token = 'gSgekjIxV8+zGBuWV/e9+CpwVBZPpv9IdDwdrqgWqcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )