UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ay/Kvc0PwBN5Rn5uJ3S8RI8KMk4OKI8iEh1s/PyNN1g=' 
WHERE 
  key_id = 'a51e02e75873976ea643e1f7b00f6d7c1532d5725c6ecc8ac5fdfadf939522c2' 
  AND (
    token = 'ay/Kvc0PwBN5Rn5uJ3S8RI8KMk4OKI8iEh1s/PyNN1g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )