UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j/6KJq/dBqiWr3Vpv78f+Da4k9IrKXjKBop5vyVEITY=' 
WHERE 
  key_id = '254841eecba33a5ff9860d08fc57ad750843b14d0218468352224bd6ca9f22f1' 
  AND (
    token = 'j/6KJq/dBqiWr3Vpv78f+Da4k9IrKXjKBop5vyVEITY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )