UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v7mgBLRmw/EKFwxp438Ha9bfwIBwmX4HsOB//N3+ZOU=' 
WHERE 
  key_id = '8389988ea8dc34279a55a1c8fd226a4024e0bc787e4f3600b191314e34375230' 
  AND (
    token = 'v7mgBLRmw/EKFwxp438Ha9bfwIBwmX4HsOB//N3+ZOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )