UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DWTczFNUV4smfHEwRtSRrzl4qEjepYbJZQJzJkT2dFE=' 
WHERE 
  key_id = 'a79b0e6439441eed599a2e20256836d3805a7344c89ccf302b1f69189c6841f8' 
  AND (
    token = 'DWTczFNUV4smfHEwRtSRrzl4qEjepYbJZQJzJkT2dFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )