UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RPBWiw4XiICK3LU87xQWRnH+BMftcg6L/LgP5XVPmak=' 
WHERE 
  key_id = 'cb977f21637a32a981294d7f220787a41d4356c5d62f29687e65d32973545fff' 
  AND (
    token = 'RPBWiw4XiICK3LU87xQWRnH+BMftcg6L/LgP5XVPmak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )