UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n40XZfbqwxw1Km3uw5wwKic9ChMar5nqHwfsvj0AyIg=' 
WHERE 
  key_id = 'f49b17874e9cbf613a59efff745bffc5117ed967628e73201f26a9343bd47d2d' 
  AND (
    token = 'n40XZfbqwxw1Km3uw5wwKic9ChMar5nqHwfsvj0AyIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )