UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yG4A7iSWyCgG3eLtpxPql/RiRrdQzEr1zbUWTHUpsNY=' 
WHERE 
  key_id = 'c34f18d872559c4ca352d0755a13042743a4f19aa69a26b6b1c6e4ff62e68de4' 
  AND (
    token = 'yG4A7iSWyCgG3eLtpxPql/RiRrdQzEr1zbUWTHUpsNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )