UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'reqWxybIOPmBwK9kCTo/YzUkI17KY8xilxcAU1rV1Lc=' 
WHERE 
  key_id = 'a6f8262a6f2570b67833944ecbe439e9e1fbe4df2c72215686711811d18367e3' 
  AND (
    token = 'reqWxybIOPmBwK9kCTo/YzUkI17KY8xilxcAU1rV1Lc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )