UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a1wfpjSOIX/0MK7WPSMVvxdPpe7neBGyeDKKrp2LLg8=' 
WHERE 
  key_id = '702f2c3a58cc760795ea732ff224fadc0887cd50ac6fab2a0ae992f2bc08a474' 
  AND (
    token = 'a1wfpjSOIX/0MK7WPSMVvxdPpe7neBGyeDKKrp2LLg8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )