UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dpajQXiVTRn0uQ+oGjJ/dmRf4f8ffgq6tI6SmScMG7M=' 
WHERE 
  key_id = '6519800a06610b18c033808658ae69c28fd1dd41dbe5564cff825328323c0749' 
  AND (
    token = 'dpajQXiVTRn0uQ+oGjJ/dmRf4f8ffgq6tI6SmScMG7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )