UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6aRJc4rn5gWaEzAxv8vmZqqXuB8X5vrpH0/Hf98emI=' 
WHERE 
  key_id = 'e897ead845417aab90293784cd26569b0e80f906c26ae52ce9f7499d70c30641' 
  AND (
    token = 'U6aRJc4rn5gWaEzAxv8vmZqqXuB8X5vrpH0/Hf98emI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )