UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cXq8XR6vW0dIc+z9lbsuSiUYIay2FKypdvRG7sXEa4o=' 
WHERE 
  key_id = '791b903f0c08d3b9241f5491afd018ef0251e28925942cee65106084eb5b762b' 
  AND (
    token = 'cXq8XR6vW0dIc+z9lbsuSiUYIay2FKypdvRG7sXEa4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )