UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C7VpGcURE+tIvJ2zJn/MDtXgcCFFmzzTSlbedq3Txy0=' 
WHERE 
  key_id = '294a7657399d62d72175929646551d7d58d8283dcbaa7295a7ace90db8a3b838' 
  AND (
    token = 'C7VpGcURE+tIvJ2zJn/MDtXgcCFFmzzTSlbedq3Txy0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )