UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6P8lOluY0vcCcNEENfT4mHMmsfcj4pwfTS/OZ/Lxrbo=' 
WHERE 
  key_id = '300febf8ebc8b1a73c50026425c92f008637e74da7ab01785c6a21029585d2a4' 
  AND (
    token = '6P8lOluY0vcCcNEENfT4mHMmsfcj4pwfTS/OZ/Lxrbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )