UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'em4i5HBUsW2WcnRRwBOpevOHGiPeijeo2oQWmTiksec=' 
WHERE 
  key_id = '6d317d2545b3ba04d606e50e57606d58af28fbc3cfadbf0baba0b584b4857abd' 
  AND (
    token = 'em4i5HBUsW2WcnRRwBOpevOHGiPeijeo2oQWmTiksec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )