UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9Hbt/4Cv7PUHMl3HoDaNVm9cPzxegeo4VYn7BKUcJFA=' 
WHERE 
  key_id = '9fb2af4c2be6bf8a4a11ba504e880ca3a0895619a08aa189b14f5f3f8a2ed6d3' 
  AND (
    token = '9Hbt/4Cv7PUHMl3HoDaNVm9cPzxegeo4VYn7BKUcJFA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00107