UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'enlT8xG/I3oqq27rTIfzrjP3uRFjaOFHm6ayq3E1DpY=' 
WHERE 
  key_id = 'e6b693e853a2b845ca9edcb67d60b1770bca2959db04cfdeb082d36dae804ca7' 
  AND (
    token = 'enlT8xG/I3oqq27rTIfzrjP3uRFjaOFHm6ayq3E1DpY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )