UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdTU4TQCxAWMITGubLwrhVntbW6Ej7+BCklXvR68HcQ=' 
WHERE 
  key_id = '1555f20f4661a36de624ee0dc379cc52e7f1bcf5cf43fc3d67667eebec79c6ab' 
  AND (
    token = 'mdTU4TQCxAWMITGubLwrhVntbW6Ej7+BCklXvR68HcQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )