UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N/CBNezJO6pEbhOMUKevvE6++inIfCIaFE6pnLrc2BE=' 
WHERE 
  key_id = 'c6ca5d5b721eb044cff532f40e585b281047cb1a1431146aba74a358110c31aa' 
  AND (
    token = 'N/CBNezJO6pEbhOMUKevvE6++inIfCIaFE6pnLrc2BE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )