UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PQviIUf621m4lTfcJ+1AP9LiNtTmEjqy4U4TY3TNynI=' 
WHERE 
  key_id = '94ac8a209f9426ad54738d34ea699ad5877c4da5209c8d45ac17d31910b34228' 
  AND (
    token = 'PQviIUf621m4lTfcJ+1AP9LiNtTmEjqy4U4TY3TNynI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )