UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G9slToOMEg3WE9+VrQzUeXsHmi9f9UViEP2jz24cxH0=' 
WHERE 
  key_id = '50f04ebe2fb02d169b672531626ca983309c9682c9172355bf4cd68204785969' 
  AND (
    token = 'G9slToOMEg3WE9+VrQzUeXsHmi9f9UViEP2jz24cxH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )