UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UKw2Zktvq9feu7se0KiLUNE3OqcxBzkxypTXCoHhG/I=' 
WHERE 
  key_id = '768aa75f2e7106fa4f0764b8bff8a6cabe714114e44ca0379d6075d7bbf0ce3e' 
  AND (
    token = 'UKw2Zktvq9feu7se0KiLUNE3OqcxBzkxypTXCoHhG/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )