UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zkB1piMdqo0A2koGr0aJYzhFdxKEpbVMQn6foTt134s=' 
WHERE 
  key_id = 'c6a52ca0a9ab5f1bb05ae7d058f2ca4eb1d05858b4b89b341fe229e95b1a78cd' 
  AND (
    token = 'zkB1piMdqo0A2koGr0aJYzhFdxKEpbVMQn6foTt134s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )