UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RNtUnnxHA1r20Ma/TbALPLycpmg9nnAdj0mU5hjb6fc=' 
WHERE 
  key_id = '4999a2f3d416b98bc26e4c0b9b9a2a4552d2508043eed768074f04a5cd8d7651' 
  AND (
    token = 'RNtUnnxHA1r20Ma/TbALPLycpmg9nnAdj0mU5hjb6fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )