UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r0L0o3GV/gwF8czZrolhgT4+NLcOhsSTI4ET7Mf/P/I=' 
WHERE 
  key_id = 'e6818f589c8e036ca3119e2c503bafafb36a8f9d232a0274035afcad2bcf3cdd' 
  AND (
    token = 'r0L0o3GV/gwF8czZrolhgT4+NLcOhsSTI4ET7Mf/P/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )