UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MpnyJwvSB2kE6YwZVHoZs+47GFV5JA6v8fndnMTkS+g=' 
WHERE 
  key_id = '87dd968757249cf9d30020c59c7e2ac9b6afa81a2d2d113980ddfc9a3ea86592' 
  AND (
    token = 'MpnyJwvSB2kE6YwZVHoZs+47GFV5JA6v8fndnMTkS+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )