UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '29jqaKPLTxSsm5VUfBl1qenuupq2baqprqBePI4RBR0=' 
WHERE 
  key_id = '81893ae315266db9addcb0fba377650e1e215c22c093b33bac0bd1b01d74360f' 
  AND (
    token = '29jqaKPLTxSsm5VUfBl1qenuupq2baqprqBePI4RBR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )