UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PO6w/JgPcdYDAASWfhgoSAGYr7CY7fqhUmPSCbXT1dg=' 
WHERE 
  key_id = 'cebc7842102915d84be89d4a53016b05b3cd279f9fd794e3c954ab116b12a42c' 
  AND (
    token = 'PO6w/JgPcdYDAASWfhgoSAGYr7CY7fqhUmPSCbXT1dg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )