UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6oQKvLb6TpQKZ14Mney1mZpchVcBQ2QdKi/BiLwniZU=' 
WHERE 
  key_id = '36da0ea9a0d4be5eb92187b1c017f28553c2756edd8dd660b2a7975806858854' 
  AND (
    token = '6oQKvLb6TpQKZ14Mney1mZpchVcBQ2QdKi/BiLwniZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035