UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0g6mRjj8TBmPbRqJbVZgiRq2XrWxzlwrGLEsJYJoISk=' 
WHERE 
  key_id = '83263b4cfbd32262602b6932fd50ade7a6340bc4204456d2bc3f3406fdc21999' 
  AND (
    token = '0g6mRjj8TBmPbRqJbVZgiRq2XrWxzlwrGLEsJYJoISk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )