UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gZ9U3mlVts+Ea0MpgZoV8gXeUTCI8FAt57HEGdA7H84=' 
WHERE 
  key_id = 'c8b9be7e880434cb2a70e45daa90e6a4847f3173243be3f2d52fec8dd7bb89ac' 
  AND (
    token = 'gZ9U3mlVts+Ea0MpgZoV8gXeUTCI8FAt57HEGdA7H84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )