UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eryRYtOEsyfJNZOuohbDrM+J008rmU9eFb57GyiIPEw=' 
WHERE 
  key_id = '51eebceb864638bc42fc56c10fe237899c02a798def3155dd616a7d08fb05c20' 
  AND (
    token = 'eryRYtOEsyfJNZOuohbDrM+J008rmU9eFb57GyiIPEw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )