UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dBSxOb9zaAHj81cMWl4MS431/8t0BZ4BA9wBgtoBYVI=' 
WHERE 
  key_id = 'c253ada94b67f2178deb2fb03c7944574d41cf2db41eb445e3735ab44187b645' 
  AND (
    token = 'dBSxOb9zaAHj81cMWl4MS431/8t0BZ4BA9wBgtoBYVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )