UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g/xhdgHpT6RlYS3SM5KhoMJzr5nvEsKIreTa7aKO4nE=' 
WHERE 
  key_id = '52da9875b981a9c1f5d4c7e1eb19283387a9eda9b89fe75372525d7443f5665e' 
  AND (
    token = 'g/xhdgHpT6RlYS3SM5KhoMJzr5nvEsKIreTa7aKO4nE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023