UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMlmb7qKezxv89MUYIe4/6/F+ItI+N0UTmCUH96CX3w=' 
WHERE 
  key_id = '6b53e30e60107e74294b27c00a58d77c4532b80e5800abadbe139b587f479976' 
  AND (
    token = 'mMlmb7qKezxv89MUYIe4/6/F+ItI+N0UTmCUH96CX3w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )