UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm6h5LzTCwAJHB3GnjB5+twEOSI+1kuB5wcb05IOeeqc=' 
WHERE 
  key_id = '947c5f434a8717e5f78ae41d6c8b650a47b9d0dfa26c19eb210ac768d81c49b2' 
  AND (
    token = 'm6h5LzTCwAJHB3GnjB5+twEOSI+1kuB5wcb05IOeeqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )