UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kAXJBu799h0Foc+Au2Jon1ejSG9G6herHH4hLjtCx78=' 
WHERE 
  key_id = '712b49685f072ac9d6ead8b0ffd531126ddc5f565cde82267e1d4f9eb402d67e' 
  AND (
    token = 'kAXJBu799h0Foc+Au2Jon1ejSG9G6herHH4hLjtCx78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )