UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DKkPHDTbyXmp5jkQC4nGxoC49j0GIdT+kndGDoXLDC0=' 
WHERE 
  key_id = '51f6a71028dd5699f2bc8fb1581b29ea214fb0aa9e7c219531e8afb728e00e25' 
  AND (
    token = 'DKkPHDTbyXmp5jkQC4nGxoC49j0GIdT+kndGDoXLDC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )