UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xlfmYpSm7IY2SbZtxCkMtMXoNEVrT7fEGu4k1lHzplY=' 
WHERE 
  key_id = '92f8b4e00b4c4c2049ac630392de19a5318fdbe841face1e09a8dc60e608857c' 
  AND (
    token = 'xlfmYpSm7IY2SbZtxCkMtMXoNEVrT7fEGu4k1lHzplY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )