UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nqaGMGbvxaCkmC+BIAVkXO3x0CwIYWvoRBJljGsqHHw=' 
WHERE 
  key_id = '1bc3af976e73793161553034c4fba2b1d30fcd034773c0b68364cd37d8e03480' 
  AND (
    token = 'nqaGMGbvxaCkmC+BIAVkXO3x0CwIYWvoRBJljGsqHHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )