UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Upck35ffHp+G7M/RDXw5o4um3Z3Uo9izsqqD1ItLypM=' 
WHERE 
  key_id = '9f81886570bf8eea79f688f22b4968305b7210b1e4060e5a136711c155d6bdc8' 
  AND (
    token = 'Upck35ffHp+G7M/RDXw5o4um3Z3Uo9izsqqD1ItLypM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )