UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L1SagexnsJwG7CY3k1r+/NpYb4uvBltn5wb9AgO0rCw=' 
WHERE 
  key_id = 'e03319425aa84a7e46678a2e5c1f6b428fd685c6ee06f14b8dea695885e65a89' 
  AND (
    token = 'L1SagexnsJwG7CY3k1r+/NpYb4uvBltn5wb9AgO0rCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050