UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYcv/sFMsJaJ4vU7GSgayD5sYoKPAWRZf8H78iHiFOg=' 
WHERE 
  key_id = 'afedbc655f9564e32dbdd5e191e6a36c43532b56c41b9ae6046432d3ad1569ae' 
  AND (
    token = 'MYcv/sFMsJaJ4vU7GSgayD5sYoKPAWRZf8H78iHiFOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )