UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aKL/vPM8CRz8cFDd6751mOOc18Z77LFKCdtK4jbIVuc=' 
WHERE 
  key_id = '27492b3af3e8f345b36e60db9608cf5f78ef25bd47d82e00f4f46c2edc8bcf36' 
  AND (
    token = 'aKL/vPM8CRz8cFDd6751mOOc18Z77LFKCdtK4jbIVuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )