UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NcdfBcECDGfa8ssounx3sxjTNEHXv/keso4sGbRqjO8=' 
WHERE 
  key_id = '6e9cc77558b85915cf5be0cad9e2fc96f0b8f4de7f7842b1b15c354635f48409' 
  AND (
    token = 'NcdfBcECDGfa8ssounx3sxjTNEHXv/keso4sGbRqjO8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )