UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZfp8+xL35VMsyjo25aOTeJk6UqW2uZoiWIk4Br4U6I=' 
WHERE 
  key_id = 'c9044d9593ae9ebc255dd7eda2936b9e525b997ad612e180b9e8da0e736de838' 
  AND (
    token = 'RZfp8+xL35VMsyjo25aOTeJk6UqW2uZoiWIk4Br4U6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )