UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bq5McGkQxUn4yBcQOoGnmDuJbyDNlAJ54zasdOHanK0=' 
WHERE 
  key_id = '831ac0202c614858b1f1f73f31c1df603eadf52795b68695636e5cb2b846d079' 
  AND (
    token = 'Bq5McGkQxUn4yBcQOoGnmDuJbyDNlAJ54zasdOHanK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045