UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gc78ERwPbcYN3uNYrbowBJrt4fusw4DhBgVKfFEsqDE=' 
WHERE 
  key_id = '6844cd9dcbb74ef2e7824b4f9c20ebabad882c2dfb964085fb9b0d70a2765eb3' 
  AND (
    token = 'Gc78ERwPbcYN3uNYrbowBJrt4fusw4DhBgVKfFEsqDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )