UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nM+u73qWHwlq9iiV1iVFaaaJwFkxIfIk1503DKdEuLE=' 
WHERE 
  key_id = 'e1b81e0762ff68cec171b00e6328b8072185dec26c36208e68a1f9d7a11d1e21' 
  AND (
    token = 'nM+u73qWHwlq9iiV1iVFaaaJwFkxIfIk1503DKdEuLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )