UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n//yWumDJRmEp79gEh4n7Gs0apQj38zyV5F+WWXs5YI=' 
WHERE 
  key_id = '15a78ffd36b536a78ee1c6ab824a4c8ee67064dc7dfbe64cad8f8c5924dab21f' 
  AND (
    token = 'n//yWumDJRmEp79gEh4n7Gs0apQj38zyV5F+WWXs5YI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )