UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VUBx213KAlnJo6sslIGTwtbKRHrCYsqizI2BhuYUW4A=' 
WHERE 
  key_id = 'b2121858d97fe8997d521e2bbfea97f742f6d09d644768fefe6b5059734dcf4e' 
  AND (
    token = 'VUBx213KAlnJo6sslIGTwtbKRHrCYsqizI2BhuYUW4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )