UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ej/URatE4QAGSlaXw4juGh8Ipm3m8sPh5fMIAfF1i+w=' 
WHERE 
  key_id = 'a8d5624b827cb25c0ab048af94ba617dbd270f8ee1b4b1f1447ca84802f25cab' 
  AND (
    token = 'ej/URatE4QAGSlaXw4juGh8Ipm3m8sPh5fMIAfF1i+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )