UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zgwz1Jweq+LenNxoYghxj52FlVuFWsuImEyoUgdEztU=' 
WHERE 
  key_id = '8c54154e02454dd340861af0c7f6954068fe38806421823a0db2a86e666eab8e' 
  AND (
    token = 'zgwz1Jweq+LenNxoYghxj52FlVuFWsuImEyoUgdEztU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )