UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/KlfDMA67RzUa8zhNIJeiUujxx16QlBp/LLtLozsPm4=' 
WHERE 
  key_id = '18c90a9ee620386d6db0a1daef3dd8ac5da703a0e648ca0efe138817234c5f3e' 
  AND (
    token = '/KlfDMA67RzUa8zhNIJeiUujxx16QlBp/LLtLozsPm4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )