UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L18dDuI0OBqa8LhdM7gbPzt1UyXwCqd+OuvuaBdU3TA=' 
WHERE 
  key_id = '755d66007a6fac2aaccb83e76763b9e8edcb4d7734bc167c74b9c50ecbb2786a' 
  AND (
    token = 'L18dDuI0OBqa8LhdM7gbPzt1UyXwCqd+OuvuaBdU3TA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )