UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2QBtjTUP4O+0OpZozny58QIpIvscr4SmrCBX1VCy2L4=' 
WHERE 
  key_id = '8d4376cda17aca05c601a8248b6af8f6dd7333b3cae9343dca2bc7259a2f6976' 
  AND (
    token = '2QBtjTUP4O+0OpZozny58QIpIvscr4SmrCBX1VCy2L4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )