UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xdwYS4wgKTgH1PDvn2TdSKut6X/ce9EnNPtlzVi2SlQ=' 
WHERE 
  key_id = '21c43e48038bb65bf21c07ede30e4a67743e6c01aa5cf39823b27007e5fd6f46' 
  AND (
    token = 'xdwYS4wgKTgH1PDvn2TdSKut6X/ce9EnNPtlzVi2SlQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )