UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rnFTletDwOoGwEAl4Ackv/kqvB4d97CGSaqNXKfu/go=' 
WHERE 
  key_id = '6a5de51365006448c7018d222a03b0ceeb76f9dfd58c75111785513f22ff668e' 
  AND (
    token = 'rnFTletDwOoGwEAl4Ackv/kqvB4d97CGSaqNXKfu/go=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )