UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xHbn/XXsCCVdABu9MIFdm2UMfWnnN5pW2duPcI4qnkY=' 
WHERE 
  key_id = '75fbbba6584c555c906a5693dd895891f96e80add06054733224031b3ad489fb' 
  AND (
    token = 'xHbn/XXsCCVdABu9MIFdm2UMfWnnN5pW2duPcI4qnkY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )