UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DQmyNeFh7ijRe48Ne3TSG8dKK8ex5QJrChn1zYHJ9iw=' 
WHERE 
  key_id = '0a7071a6220eecb546821f7903b54d37a7711167d81b03577af2b13b13c5bb3e' 
  AND (
    token = 'DQmyNeFh7ijRe48Ne3TSG8dKK8ex5QJrChn1zYHJ9iw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039