UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'saSdgf3TTuStXq4l54THAtA6UnUbteHp1n4GMjNY4bg=' 
WHERE 
  key_id = '6e5a2d845e5465de4aa57e9bf593040833cf035d71049a43a343b8ffb4844252' 
  AND (
    token = 'saSdgf3TTuStXq4l54THAtA6UnUbteHp1n4GMjNY4bg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )