UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I9GNBfFxoj+TkKKqlLwLFC5tP66zbyuc/DjtYQWE/lg=' 
WHERE 
  key_id = '9ed99f99ab020b26766744d1bd89686e692cb37217914e19d291c875c314b0d4' 
  AND (
    token = 'I9GNBfFxoj+TkKKqlLwLFC5tP66zbyuc/DjtYQWE/lg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )