UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mESWc901OJd8i6MQ2R7trh2RtiKmUMM09r3B+czC1JM=' 
WHERE 
  key_id = '536d79aed8b415cb92fc10140f1f9882d1433c53e4e9c89538556c1bd750ae90' 
  AND (
    token = 'mESWc901OJd8i6MQ2R7trh2RtiKmUMM09r3B+czC1JM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )