UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Tp4uqhAWyYstALhvk+QlevLmbyCv7vUJ6xCVzESsvw=' 
WHERE 
  key_id = '42849face50f110be06ee8f9c51a2682a1aaee2bb768ae4d974fd5075b570fbf' 
  AND (
    token = '6Tp4uqhAWyYstALhvk+QlevLmbyCv7vUJ6xCVzESsvw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )