UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nEF55RWtOXcS2cQ9o/98aNOkJIsnSTFdWjqjVRu2xLo=' 
WHERE 
  key_id = '575c76daa9184a40e09384856e5b3c712d51abefd94b992650571679bd34a0d6' 
  AND (
    token = 'nEF55RWtOXcS2cQ9o/98aNOkJIsnSTFdWjqjVRu2xLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )