UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2kY5l+1QtqMMkaAFQ8NcoiHi2zwiCNI0WDZhJXt8KfQ=' 
WHERE 
  key_id = '50cc6a7428e052e1e388e06881c69bbc9b21ccec3058369ff36163774310d517' 
  AND (
    token = '2kY5l+1QtqMMkaAFQ8NcoiHi2zwiCNI0WDZhJXt8KfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )