UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7BVaW2x8Bh7Grq2OXjMCH2AfeT8BqS595qwBHFZRZAA=' 
WHERE 
  key_id = '982540b1fb7a979664f8b28a59ae60fbd6014d988b2ddaea13d7c196c2239250' 
  AND (
    token = '7BVaW2x8Bh7Grq2OXjMCH2AfeT8BqS595qwBHFZRZAA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )