UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zYVR1gxRcvpqzkRHgJXIyeQdO0mCVUv1XBy4UDCFXuE=' 
WHERE 
  key_id = 'bd6b80a3335c1491052d46ab84c5af821d8fa0b68a8e9d3c331fb5848fdc74b0' 
  AND (
    token = 'zYVR1gxRcvpqzkRHgJXIyeQdO0mCVUv1XBy4UDCFXuE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )