UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8mVktuhabvmCxLcu6WaXzNrEtgIuvDJBDeyox99+EY4=' 
WHERE 
  key_id = '91e411e5bc4c2835d40565711485db45b4be4593a3457db7b68d8e63657a62d5' 
  AND (
    token = '8mVktuhabvmCxLcu6WaXzNrEtgIuvDJBDeyox99+EY4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )