UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lBx/xDW6N1peS83wkV553HnNzR7pEPzefGPpEuQ8DyQ=' 
WHERE 
  key_id = '6b8aeb69f3dca55fa7870502e2ce3725a3abe27d8efec845d164d723b40ee701' 
  AND (
    token = 'lBx/xDW6N1peS83wkV553HnNzR7pEPzefGPpEuQ8DyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )