UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PXXQYyhFnr9Kc5VP6+wwVy3/vEweI5uchpJCCFgfmxc=' 
WHERE 
  key_id = '6ca494e33cabfe00575a136307f116292980633b6b9c6cfc84bd26588f366ce6' 
  AND (
    token = 'PXXQYyhFnr9Kc5VP6+wwVy3/vEweI5uchpJCCFgfmxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )