UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tRqgm8htV58Ho5Kp93BfyWQYvLDoxTgCw4ORh3eiECY=' 
WHERE 
  key_id = '91c76defcd19f235c9709f93e653088a84c395b0e397e695c260d2124efe00f9' 
  AND (
    token = 'tRqgm8htV58Ho5Kp93BfyWQYvLDoxTgCw4ORh3eiECY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )