UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iEI5rsTlsVs3hCEnubh0It5/aZ3alosTylDp7Z8QqVw=' 
WHERE 
  key_id = '951cd6d428cdf6be904554a957f1e472ccc7039a4c42554992d48b4c53b7969f' 
  AND (
    token = 'iEI5rsTlsVs3hCEnubh0It5/aZ3alosTylDp7Z8QqVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )