UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7zy2h436P5bD+19kT6ZmeUUnyUvnIhl6LahnTE1XUm4=' 
WHERE 
  key_id = 'db7683ad0f989057a5e273ff22df0564ed558f31516cf505bf2b59d3f048528a' 
  AND (
    token = '7zy2h436P5bD+19kT6ZmeUUnyUvnIhl6LahnTE1XUm4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )