UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ob4i8bFd043aX28jFAKJ3jAcpoGGOQM3aGm8pMpWEPc=' 
WHERE 
  key_id = '749be31070e00c2bf0216c89d26de8ccdb817345721bc2b91d4dd9c713672a7b' 
  AND (
    token = 'ob4i8bFd043aX28jFAKJ3jAcpoGGOQM3aGm8pMpWEPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )