UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EGGnz1aLnghePCmx5U6sl5XwVrWBRJO+gmRMxCkgIts=' 
WHERE 
  key_id = '851b95237fccb7166b3eb4152b7ab1e307ee8d396550f6a7aff1982fa996d7fc' 
  AND (
    token = 'EGGnz1aLnghePCmx5U6sl5XwVrWBRJO+gmRMxCkgIts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )