UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KJ6ad1FQdPD1hO/ULuRVzhrvldN1YGevx2UHJQEU5/s=' 
WHERE 
  key_id = '854c4df6061fe236417373e31e71230a430f874de439d9250c2d5f638b47607b' 
  AND (
    token = 'KJ6ad1FQdPD1hO/ULuRVzhrvldN1YGevx2UHJQEU5/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )