UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U2VjXX534XXf2FRj3a10rJwYL1XNpv1w/3QgjCPbK2w=' 
WHERE 
  key_id = '2d9a4943fa2464b01743013946d5815a1e6c15547223e0d43c1a98921ae9bc3c' 
  AND (
    token = 'U2VjXX534XXf2FRj3a10rJwYL1XNpv1w/3QgjCPbK2w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )