UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GUpfp/32c13OeByjH0l+YuwU5AxZjnG7Hzdh3/AXX2c=' 
WHERE 
  key_id = 'af12ff84b030400cbb139b43d1d2e39da5a36931a950e341d677741e05de2693' 
  AND (
    token = 'GUpfp/32c13OeByjH0l+YuwU5AxZjnG7Hzdh3/AXX2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )