UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1suiz7Al07t9XgeLNj8xRBme09icfvqCOAimXqfZCpA=' 
WHERE 
  key_id = 'd89594d87239b320d7f23445b323be01028372745bf8511cf10e4feed3cbbc38' 
  AND (
    token = '1suiz7Al07t9XgeLNj8xRBme09icfvqCOAimXqfZCpA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )