UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qn6/cuFFPI4CJkWC3nWqBXTxfKXY6EGNWUdlptvfO8c=' 
WHERE 
  key_id = '5dca02c7e8600a2a1726e74c526a61d0dd1d92879b48359d8793611fe7e0e6cd' 
  AND (
    token = 'qn6/cuFFPI4CJkWC3nWqBXTxfKXY6EGNWUdlptvfO8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )