UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lc4L76xC3z/g9msyaalrNglTYAgdgkGbETtHw4fGmHc=' 
WHERE 
  key_id = '2c439e59957747c80db6526a0db0cd5383d9d1be2d315753bccdc1ef50375b22' 
  AND (
    token = 'lc4L76xC3z/g9msyaalrNglTYAgdgkGbETtHw4fGmHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )