UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P6dz1Fx3MalJJBmnLrMuLAXChPBC7DwwVz3+eIab1KE=' 
WHERE 
  key_id = 'ac276812429d9c0cf3e34cb299eb25a9f5833eb5531fde37470c267e8bd686ef' 
  AND (
    token = 'P6dz1Fx3MalJJBmnLrMuLAXChPBC7DwwVz3+eIab1KE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )