UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iZlb2z0N/iAo1bIltqWdq3mD7aByjzGziUMLlA29pSM=' 
WHERE 
  key_id = '027515668a7d84bfb7beb8a60cce067029db6ecf7bad1f779272c98ac0ad34b2' 
  AND (
    token = 'iZlb2z0N/iAo1bIltqWdq3mD7aByjzGziUMLlA29pSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )