UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yr3I4m+uhzWbrxi0oVLTOiYf/UnV6NdniA7pK4Btfh8=' 
WHERE 
  key_id = '6542986d081ed71f473b7e0bc23097b554cb6cdfb517f68534d0e6cabbc5e2b8' 
  AND (
    token = 'yr3I4m+uhzWbrxi0oVLTOiYf/UnV6NdniA7pK4Btfh8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )