UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NiUw1tbGUVmpEBYDVRbACnLrkmvHywBdw2oeCIguH14=' 
WHERE 
  key_id = '835ac49d0b69ec26612e004c34820146555b1ff250ed722d18047b4aee19267b' 
  AND (
    token = 'NiUw1tbGUVmpEBYDVRbACnLrkmvHywBdw2oeCIguH14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )