UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4mj4xXk99QmZhwrEQhjcMGx6xxNOP9k6vGOsOAyzVk8=' 
WHERE 
  key_id = 'fef456bc139e75ce061e49b2eff4e1f825b641e953b44796eb07bd3ae07406f7' 
  AND (
    token = '4mj4xXk99QmZhwrEQhjcMGx6xxNOP9k6vGOsOAyzVk8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )