UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mzgRnBr4aMIFDCdthPGEBKR7E53lnre7PCInWQEkROc=' 
WHERE 
  key_id = '42b919492256e6812e2dbc7c14bf7094b579af0122ae79d0717793b03c759423' 
  AND (
    token = 'mzgRnBr4aMIFDCdthPGEBKR7E53lnre7PCInWQEkROc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )