UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f3k4JgykybVmtZOwC7Z7U30VbEB528FPueDZJfSet8Y=' 
WHERE 
  key_id = 'b6a4138d5c480b6fe886df06bd515db709722ba8376d1bdcba66763584f9f4e0' 
  AND (
    token = 'f3k4JgykybVmtZOwC7Z7U30VbEB528FPueDZJfSet8Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )