UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ejqtu0B81LxC6Bc3qSEC6sMCMMKgS/ez1Q5isycvBjE=' 
WHERE 
  key_id = 'b50db71eee3e8f16a193796f4999a375f3e394f35aa6dacdef633316a9d8b392' 
  AND (
    token = 'Ejqtu0B81LxC6Bc3qSEC6sMCMMKgS/ez1Q5isycvBjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )