UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gLt77g4MSCyGvcMIA1O3vlMOgy+iPKFn0Z+KvbPWSas=' 
WHERE 
  key_id = '52a2a65cc92d31cf461b0134e2c6d4d762fc6403396cdee1fea83eb64f1966c9' 
  AND (
    token = 'gLt77g4MSCyGvcMIA1O3vlMOgy+iPKFn0Z+KvbPWSas=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )