UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/K8/Kiut8wMAe7c6clpN36eGdrFIdYRv9WzPqLl4Z2I=' 
WHERE 
  key_id = '974eb1e5a0555313f8aa4c886f3ff4a7e547784d5c0b595acd27927fc679a0d3' 
  AND (
    token = '/K8/Kiut8wMAe7c6clpN36eGdrFIdYRv9WzPqLl4Z2I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )