UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bJFNZ9UqCFmm0UyQosyDEhPNgwQDsHsSvCRMtwPkb28=' 
WHERE 
  key_id = '51a7b57e70d93e019473181285a701c867eb050a6e204a525c071dd2979d4df1' 
  AND (
    token = 'bJFNZ9UqCFmm0UyQosyDEhPNgwQDsHsSvCRMtwPkb28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )