UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/4Dop5u9U4GI7I0Fr1LlvSPc+mti96jGaSc4iH4c8LY=' 
WHERE 
  key_id = '766676fa4b67c39a7405fb91a53cb57362b9804af5b65ae0140d9322feb363b3' 
  AND (
    token = '/4Dop5u9U4GI7I0Fr1LlvSPc+mti96jGaSc4iH4c8LY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )