UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4U5KfANhpWtbsv7atcMRHc42DhkL1NlFm/PMf0Sb/wI=' 
WHERE 
  key_id = '8676d2293e0355c557885aa8ac89c54254957b685edeb077b0209323eab555b5' 
  AND (
    token = '4U5KfANhpWtbsv7atcMRHc42DhkL1NlFm/PMf0Sb/wI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )