UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'la4vutok8zTPLbWov+5n1Mk+NLXcmrk9XUvFEn7GDd4=' 
WHERE 
  key_id = '1b439850c6d3a4431b18eb9fc588e60b57055a8a409f5e12d7d4910273df3a30' 
  AND (
    token = 'la4vutok8zTPLbWov+5n1Mk+NLXcmrk9XUvFEn7GDd4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )