UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lrqjCFWS0DY/dMnzykBW82Sp3CspErEcodqLhsp7wRU=' 
WHERE 
  key_id = 'b2ac01541e459171b2d97c75e4f54a8976a2e044f83d5ebe4dc217444295a309' 
  AND (
    token = 'lrqjCFWS0DY/dMnzykBW82Sp3CspErEcodqLhsp7wRU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )