UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x0RwoNl5ZFvzn3ELQzTzhyjB50YrS5biO+T313FomEE=' 
WHERE 
  key_id = '2baf38d23777cf0709fe39892f2de3fb113a6f84999fff39eeea2196783e29ad' 
  AND (
    token = 'x0RwoNl5ZFvzn3ELQzTzhyjB50YrS5biO+T313FomEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )