UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pys5uWd0SgKQKTopJpcOuBwYze2MuV8WlNM+SoEsVa4=' 
WHERE 
  key_id = '21756acd1104a7a2a5127b7cd0a1b4cc9f9c706c01bc61d04c9c98015f8355c5' 
  AND (
    token = 'Pys5uWd0SgKQKTopJpcOuBwYze2MuV8WlNM+SoEsVa4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )