UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EK0nWpz+gVLgoaaExVyIFos1tRZoCCGJbyQrEBY7r9g=' 
WHERE 
  key_id = '31a1db5550d213c8f47223ae0c93f0ccbae7102176b28e1452065084d08c83d7' 
  AND (
    token = 'EK0nWpz+gVLgoaaExVyIFos1tRZoCCGJbyQrEBY7r9g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )