UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BlcxZVpCKnWovDGugLg9R036eFhbKJRJOPN++Buazf4=' 
WHERE 
  key_id = 'cebd5598d6c9ca6bf7f0cf95df95cf325500142bb16b344f55868e819a22d421' 
  AND (
    token = 'BlcxZVpCKnWovDGugLg9R036eFhbKJRJOPN++Buazf4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )