UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zZrm1zZ5TNn5m2wAa2qldwg0kjb3UNKDRaGbscSgQKo=' 
WHERE 
  key_id = '2e56ce1f965e469011daf6c5350832cd78047a414687c8d7195c341115930a66' 
  AND (
    token = 'zZrm1zZ5TNn5m2wAa2qldwg0kjb3UNKDRaGbscSgQKo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )