UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ev4VPzUlurDFeP6KFCqbxAdB4KUAXLUobOxAvW7gakk=' 
WHERE 
  key_id = 'a640ef53c8d6afba61ba9937914eed88e29dda81ed0d643f27d94a1aba36725b' 
  AND (
    token = 'Ev4VPzUlurDFeP6KFCqbxAdB4KUAXLUobOxAvW7gakk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )