UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'meRi0Q9YDvfndsbdsZ3BzT6O1yVavCbmwTWyD6PeCIw=' 
WHERE 
  key_id = 'ac3f79e437e76dbe625803857482114ae16e92344dadeee95fc2c202483e9246' 
  AND (
    token = 'meRi0Q9YDvfndsbdsZ3BzT6O1yVavCbmwTWyD6PeCIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )