UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uv6ulaLmPRKUX2zfUSektxLIM95tFVU1BfFr7O1gMXg=' 
WHERE 
  key_id = '0a50479f8e9e08b61b09454ef33f6a0c3f5a832c984fef7c6c83d61da71a3fb7' 
  AND (
    token = 'Uv6ulaLmPRKUX2zfUSektxLIM95tFVU1BfFr7O1gMXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )