UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mEp8a6uXsGbSgTjffdcQstCiZpOTPiSiRYKdwF0s8dw=' 
WHERE 
  key_id = '3a7c0c569eab91221d54d666c86608355ae14818fdabb1617eee17eab16aa6f8' 
  AND (
    token = 'mEp8a6uXsGbSgTjffdcQstCiZpOTPiSiRYKdwF0s8dw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )