UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BExrv1m6zfX7viXCC59ZXbuk6m2Eh3MBBRgKNlms0qs=' 
WHERE 
  key_id = 'c4ce2020596fffe6959ac9e6db315555e4065146940f67ed1814a9a603b8604b' 
  AND (
    token = 'BExrv1m6zfX7viXCC59ZXbuk6m2Eh3MBBRgKNlms0qs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )