UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PmLx9zKHzkvgYK3vezaw4HUva2cjXnAtTGtiunACtlM=' 
WHERE 
  key_id = 'b8b1b0b01265a91beeac842ac96898b427c0e6f569cc1076d8fcf7d20262535b' 
  AND (
    token = 'PmLx9zKHzkvgYK3vezaw4HUva2cjXnAtTGtiunACtlM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )