UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BXcLBQ6R4SenEMElj2nGjpgUuGaHelhsCqVXP1MGUMY=' 
WHERE 
  key_id = '8d4bf78887d743b6684128da054420a86c0c27d3e7ff370b7e2364f4b4f2a7d4' 
  AND (
    token = 'BXcLBQ6R4SenEMElj2nGjpgUuGaHelhsCqVXP1MGUMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )