UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMbbA8jLu1tuRae97ZA6ZBFOE0j53tE6vX0JZ0tLVuc=' 
WHERE 
  key_id = '39854ea9786e8a27b61739a17047cce6948aab618802f80a812da2cc8ee16f13' 
  AND (
    token = 'RMbbA8jLu1tuRae97ZA6ZBFOE0j53tE6vX0JZ0tLVuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )