UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plulfiSmCTxptG1h8Hdf2rvDWLTcf4H6Mi1J8U74WR4=' 
WHERE 
  key_id = '8538bf09b1156726f89f9d67383368b27ae81e1db04ca805c4c976751c41f6d6' 
  AND (
    token = 'plulfiSmCTxptG1h8Hdf2rvDWLTcf4H6Mi1J8U74WR4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )