UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Om5Glv2bcI8RbwOGwALeFMaNF9FfiORATVZ/4LpeG/g=' 
WHERE 
  key_id = 'e4c34c9b6c2acfd1962ff5eb5a930e6e8c659acaf7000089e47826a8d21ed745' 
  AND (
    token = 'Om5Glv2bcI8RbwOGwALeFMaNF9FfiORATVZ/4LpeG/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )